Evans 1971

Methods	Consecutive women randomly allocated to two treatment groups in a double blind way. No mention of blind outcome assessment.
Participants	Women attending a sexually transmitted disease clinic in London, England.
Interventions	Metronidazole 200 mg by mouth three times daily for 7 days versus nitrimidazine 250 mg tablets by mouth, twice daily for 6 days.
Outcomes	Parasitological and clinical cure. Side effects.
Notes	Diagnosis by wetmount Loss to follow up 26/142 (18%) and an additional 2 women were excluded because the diagnosis was based on cervical smears rather than wetmount technique.