title: The effects of age and smoking upon antipyrine metabolism.
mesh_terms: D000293:Adolescent; D000328:Adult; D000375:Aging; D000983:Antipyrine / Q000378:metabolism*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D012907:Smoking / Q000378:metabolism*
chemical_list: D000983:Antipyrine