Manual of obstetrics / editors, Arthur T. Evans, Emily DeFranco. - 9th ed. - Philadelphia : Wolters Kluwer, 2021. - xiv, 773 pages ill. 21 cm. ISBN: 9781975145934 Subjects--Topical Terms: ContraceptionObstetrics.Perinatal Care LC Class. No.: WQ18.2 / .M294