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Steroids|March 1, 1983
Long-acting contraceptive agents: norethisterone esters of monoalkenyl and monoalkynyl acidsC G Francisco, R Freire, R Hernandez, et al.
Steroids|March 1, 1983
Long-acting contraceptive agents: norethisterone esters of polyunsaturated acidsC G Francisco, R Freire, R Hernandez, et al.
Steroids|March 1, 1983
Long-acting contraceptive agents: furylalkylcarboxylic acid esters of norethisteroneA S Wan, T L Ngiam, S L Leung, et al.
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