Gupta, H D1977-04-012009-06-011977-04-012009-06-011977-04-01Gupta HD. A stochastic model for IUCD clinical trials. Indian Journal of Public Health. 1977 Apr-Jun; 21(2): 95-104http://imsear.searo.who.int/handle/123456789/109728engFemaleHumansIntrauterine DevicesModels, BiologicalTime FactorsA stochastic model for IUCD clinical trials.Journal Article