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Found 1 study with search of: | (NCCAM) [SPONSOR] (contraceptive effectiveness) [CONDITION] |
Hide studies that are not seeking new volunteers.
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1 | Completed | Effects of St. John's Wort on the Effectiveness of Oral Contraceptives | ||||
Condition: | Contraception | |||||
Intervention: | Drug: hypericum perforatum | |||||
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