TY - BOOK ED - World Health Organization TI - Intrauterine Devices: : Technical and Managerial Guidelines For Services SN - 92-4-154497-X AV - RG137.3.W66 PY - 1997/// CY - Geneva PB - : WHO KW - Intrauterine contraceptives KW - Intrauterine devices N1 - Includes bibliographical references and index ER -