BMC Public Health 2009, 9:199 http://www.biomedcentral.com/1471-2458/9/199 9. PF: Guns in America: results of a comprehensive national sur- vey on firearms ownership and use. Washington, DC: Washing- ton, DC: Police Foundation; 1996. 10. Miller M, Azrael D, Hemenway D: Rates of household firearm ownership and homicide across US regions and states, 1988– 1997. Am J Public Health 2002, 92(12):1988-1993. 11. Dannenberg AL, Jackson RJ, Frumkin H, Schieber RA, Pratt M, Kochtitzky C, Tilson HH: The impact of community design and land-use choices on public health: a scientific research agenda. Am J Public Health 2003, 93(9):1500-1508. 12. Corburn J: Confronting the challenges in reconnecting urban planning and public health. Am J Pub Health 2004, 94(4):541-546. 13. Vernick JS, Hepburn LM: State and federal gun laws: trends for 1970–1999. In Evaluating gun policy Edited by: Ludwig J, Cook PJ. Washington, DC: Brookings Institution Press; 2003:345-402. 14. Miller M, Azrael D, Hemenway D: Firearm availability and sui- cide, homicide, and unintentional firearm deaths among women. J Urban Health 2002, 79(1):26-38. 15. Miller M, Azrael D, Hemenway D: Firearm availability and unin- tentional firearm deaths, suicide, and homicide among 5–14 year olds. J Trauma 2002, 52(2):267-274. 16. Area Resource File (ARF), 1994–2000 Rockville, MD: US Department of Health and Human Services, Health Resources and Services Adminis- tration, Bureau of Health Professions. 17. U.S. Dept. of Justice FBoI: Uniform Crime Reporting Program Data [United States]: County-Level Detailed Arrest and Offense Data (1993 – 1999) (ICPSR study numbers 6545, 6669, 6850, 2389, 2764, 2910 and 3167) Ann Arbor, MI: Inter-university Consortium for Political and Social Research. 18. Warner BD, Wilson Coomer B: Neighborhood drug arrest rates: are they a meaningful indicator of drug activity? A research note. J Res Crime Delinquency 2003, 40(2):123-138. 19. Rosenfeld R: Are arrest statistics a valid measure of illicit drug use? The relationship between criminal justice and public health indicators of cocaine, herion, and marijuana use. Jus- tice Quarterly 16(3):685-700. 20. Branas CC, Nance ML, Elliott MR, Richmond TS, Schwab CW: Urban-rural shifts in intentional firearm death: different causes, same results. Am J Public Health 2004, 94(10):1750-1755. 21. Nance ML, Denysenko L, Durbin DR, Branas CC, Stafford PW, Schwab CW: The rural-urban continuum: variability in statewide serious firearm injuries in children and adoles- cents. Arch Pediatr Adolesc Med 2002, 156(8):781-785. 22. Branas CC, Richmond TS, Schwab CW: Firearm homicide and firearm suicide: opposite but equal. Public Health Rep 2004, 119(2):114-124. 23. Butler MA, Beale CL: Rural-urban continuum codes for metro and nonmetro counties, 1993. Washington, DC: U.S. Depart- ment of Agriculture, Economic Research Service; 1994. 24. Kappas JS: Traveler's guide to the firearm laws of the fifty states Coving- ton, KY: Traveler's Guide; 1997. 25. Kappas JS: Traveler's guide to the firearm laws of the fifty states (first edi- tion, second printing) Covington, KY: Traveler's Guide; 1997. 26. Kappas JS: Traveler's guide to the firearm laws of the fifty states (third edi- tion) Covington, KY: Traveler's Guide; 1998. 27. Kappas JS: Traveler's guide to the firearm laws of the fifty states (fourth edi- tion) Covington, KY: Traveler's Guide; 1999. 28. Kappas JS: Traveler's guide to the firearm laws of the fifty states (fifth edi- tion) Covington, KY: Traveler's Guide; 2000. 29. Kappas JS: Traveler's guide to the firearm laws of the fifty states (sixth edi- tion) Covington, KY: Traveler's Guide; 2002. 30. Sorenson SB, Vittes KA: Buying a handgun for someone else: firearm dealer willingness to sell. Inj Prev 2003, 9(2):147-150. 31. Koper CS: Crime gun risk factors: buyer, seller, firearm, and transaction characteristics associated with gun trafficking and criminal gun use. In Report to the National Institute of Justice Philadelphia: Jerry Lee Center of Criminology, University of Pennsyl- vania; 2007. 32. Hemenway D: Appendix A: Methodology. In Private guns, public health Ann Arbor: University of Michigan Press; 2004:230-232. 33. Kleck G, Patterson E: The impact of gun control and gun own- ership levels on violence rates. Journal of Quantitative Criminology 1993, 9(3):249-287. 34. Bordua DJ: Firearms ownership and violent crime: a compar- ison of Illinois counties. In The social ecology of crime Edited by: Byrne JM, Sampson RJ. New York: Springer-Verlag; 1986:156-207. 35. Kellermann AL, Rivara FP, Rushforth NB, Banton JG, Reay DT, Fran- cisco JT, Locci AB, Prodzinski J, Hackman BB, Somes G: Gun own- ership as a risk factor for homicide in the home. N Engl J Med 1993, 329(15):1084-1091. 36. Wiebe DJ: Homicide and suicide risks associated with fire- arms in the home: a national case-control study. Ann Emerg Med 2003, 41:771-782. 37. Grassel KM, Wintemute GJ, Wright MA, Romero MP: Association between handgun purchase and mortality from firearm injury. Inj Prev 2003, 9(1):48-52. 38. Centerwall BS: Homicide and the prevalence of handguns: Canada and the United States, 1976 to 1980 [see com- ments]. Am J Epidemiol 1991, 134(11):1245-1260. 39. Wellford CF, Pepper JV, Petrie CV, Eds: Firearms and violence: a critical review. National Academy of Sciences, National Research Council Wash- ington, DC: National Academies Press; 2005. 40. Braga AA, Pierce GL: Disrupting illegal firearms markets in Boston: the effects of Operation Cease Fire on the supply of new handguns to criminals. Criminology and Public Policy 2005, 4(4):717-748. 41. Webster DW, Bulzacchelli MT, Zeoli AM, Vernick JS: Effects of undercover police stings of gun dealers on the supply of new guns to criminals. Inj Prev 2006, 12(4):225-230. 42. Veen J, Dunbar S, Reuland M, Steadman J: The BJA Firearms Traf- ficking Program: demonstrating effective strategies to con- trol violent crime (NCJ 166818). Washington, DC: U.S. Department of Justice; 1997. 43. Cressie NAC: Statistics for spatial data New York: Wiley; 1993. Pre-publication history The pre-publication history for this paper can be accessed here: http://www.biomedcentral.com/1471-2458/9/199/pre pub Publish with Bio Med Central and every scientist can read your work free of charge "BioMed Central will be the most significant development for disseminating the results of biomedical research in our lifetime." 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