[Graying of the hair as criteria of biological age].
D000328:Adult; D000367:Age Factors; D000368:Aged; D001290:Attitude; D001824:Body Constitution; D003116:Color; D006197:Hair; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D013223:Statistics as Topic
Das Ergrauen der Haare als Kriterium des biologischen Alters.