title: Multicentre trials in obstetrics and gynaecology. Smaller explanatory trials are required.
authors.forename: A M
authors.initials: AM
authors.lastname: Gulmezoglu
authors.forename: P
authors.initials: P
authors.lastname: Brocklehurst
authors.forename: D
authors.initials: D
authors.lastname: Elbourne
authors.forename: J
authors.initials: J
authors.lastname: Garcia
authors.forename: A
authors.initials: A
authors.lastname: Macfarlane
mesh_terms: D005260:Female; D006801:Humans; D015337:Multicenter Studies as Topic; D011247:Pregnancy; D011248:Pregnancy Complications; D016032:Randomized Controlled Trials as Topic; D016387:Women's Health