TY - BOOK AU - Hatcher,Robert A...(etal). AU - TI - The essentials of contraceptive technology : SN - 1 885960 01 8 U1 - 363.96/E78 PY - 0000///Population Information Programme. PY - 2001/// CY - Baltimore KW - Contraceptive Technology. KW - Technology N1 - Includes index and bibliography. ER -