TY - GEN AU - Potts,D M AU - Siemens,A J TI - Where next with long-acting steroids? SN - 0019-0357 PY - 1985///0108 KW - Contraception KW - Contraceptive Agents KW - Contraceptive Agents, Female KW - Contraceptive Devices, Female KW - Economics KW - Estradiol KW - Estrogens KW - Family Planning Services KW - Hormones KW - Injections KW - Levonorgestrel KW - Norethindrone KW - Reproductive Control Agents KW - Research KW - Technology N1 - Publication Type: Journal Article ER -