Hair as a biopsy material.
D000367:Age Factors; D001706:Biopsy; D003300:Copper / Q000378:metabolism; D005260:Female; D006197:Hair / Q000378:metabolism*; D006801:Humans; D007774:Lactation; D008297:Male; D009749:Nutrition Surveys; D011247:Pregnancy; D013223:Statistics as Topic; D015032:Zinc / Q000378:metabolism
D003300:Copper; D015032:Zinc