A comparison of the Lippes Loop, the TCu - 200, and the Dalkon Shield in a single clinic in Colombia.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003105:Colombia; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000592:standards*; D011247:Pregnancy; D012107:Research Design