Mlot, C. 1997. Genetics of Sumatra's at-risk rhino. Myers, N. 1997. Mass extinction and evolution. Raloff, J. 1997.
Erosion tails tropical trails.
High cholesterol may benefit elderly Among persons in their late 80s and 90s, elevated blood cholesterol can translate into lengthened lifespan. J.W.M. van der Meer. Weverling-Rijnsburger, A.W.E., et al. 1997. Total cholesterol and risk of mortality in the oldest old. Cholesterol guidelines released.