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