The essentials of contraceptive technology : a handbook for clinic staff / Robert A. Hatcher ... ( et. al) - Baltimore, MD : Center for Communication Programs, The Johns Hopkins School of Public Health, 1997 - 1 v. (various pagings) : ill. ; 23 cm. ISBN: 1885960018 Subjects--Topical Terms: Contraception--methodsContraceptive devices National Library of Medicine Call No.: WP630 / .E78 1997