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Antispermatogenic Agents, administration & dosage (1) |
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contraceptive (1) |
family planning (1) |
Follicle Stimulating Hormone, blood (1) |
Humans (1) |
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Levonorgestrel, administration & dosage (1) |
Luteinizing Hormone, blood (1) |
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progestins (1) |
Research Support, Non-U.S. Gov't (1) |
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Testosterone, administration & dosage, analogs & derivatives, blood (1) |