Devoto, E [The usefulness and importance of functional progesterone and estrogen tests in the study of amenorrheas]. [electronic resource] - Revista chilena de obstetricia y ginecologia 1992 - 176-83 p. digital Publication Type: Journal Article ISSN: 0048-766X Subjects--Topical Terms: AdolescentAdultAmenorrhea--diagnosisEstradiol--analogs & derivativesEstrogens, Conjugated (USP)Ethinyl EstradiolFemaleHumansMenstrual Cycle--drug effectsProgesterone