A comparison of urinary estrogens determined biologically and of "estroids" determined chemically.
D001826:Body Fluids; D003271:Contraceptive Agents, Female; D004967:Estrogens; D005260:Female; D006801:Humans; D014556:Urine
D003271:Contraceptive Agents, Female; D004967:Estrogens
ESTROGENS; URINE