title: Factors influencing the concentration of serum constituents in well individuals.
mesh_terms: D000367:Age Factors; D001774:Blood Chemical Analysis / Q000295:instrumentation; D001800:Blood Specimen Collection; D004032:Diet; D004194:Disease; D004777:Environment; D005260:Female; D005828:Genetics, Population; D006262:Health; D006760:Hospitalization; D006801:Humans; D008297:Male; D008598:Menstruation; D008722:Methods; D008967:Molecular Biology; D009765:Obesity / Q000097:blood; D010600:Pharmacology; D005082:Physical Exertion; D011187:Posture; D044469:Racial Groups; D012737:Sex Factors; D012907:Smoking