cross-sectional study
Subtitle: an investigation of acidogenic ratio : streptococcus mutans : total aerobic count ratio and dental health of two groups ....
Contributors: Manchester Polytechnic. Department of Biological Sciences.
Language: eng
Notes: Project submitted in partial fulfilment of B.Sc. (Hons) degree to Manchester Polytechnic, Department of Biological Sciences, 1984.

Typescript.