TY - BOOK AU - Hatcher, Robert A. AU - I. Rinehart, Ward. AU - II. Blackburn, Richard. AU - III. Geller, Judith S. TI - The essentials of contraceptive technology : : a handbook for clinic staff / U1 - 613.9 23 PY - 1997/// CY - Baltimore, USA : PB - The Johns Hopkins School of Public Health, KW - 1. Contraceptives KW - Handbooks, manuals, etc KW - 2. Birth control N1 - Includes bibliographical references and index; Includes bibliographical references and index ER -