TY - JOUR AN - 005631205 PY - 1985/01/01 TI - Immunoglobulin levels in the serum and cervical mucus of tailed copper intrauterine device users JO - Contraception VL - 32 IS - 1 SP - 87 EP - 96 UR - https://eurekamag.com/research/005/631/005631205.php ER -