TY - BOOK AU - Hatcher, Robert A. TI - The Essentials of contraceptive technology: a hand book for clinic staff SN - 1885960018 U1 - 613.94 PY - 1997/// CY - Baltimore PB - Centre for communications program John Hopkins School of Public Health KW - FAMILY PLANNING KW - Contraceptive Agents KW - Contraceptive Technology-handbooks ER -