An accurate method of determining age in small mammals.
D000375:Aging; D000818:Animals; D005260:Female; D007908:Lens, Crystalline / Q000032:analysis*; D008297:Male; D008322:Mammals / Q000502:physiology*; D008722:Methods; D051379:Mice; D013997:Time Factors; D014443:Tyrosine / Q000032:analysis
D014443:Tyrosine