Fetal Sex-Determination in Delhi: A Population-Based Investigation
Tropical Doctor 2007 April; 37(2): 98-100
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Effects of Making Emergency Contraception Available Without a Physician's Prescription: A Population-Based Study Soon, Judith A.; Levine, Marc; Osmond, Brenda L.; Ensom, Mary H.H.; Fielding, David W. (2005-03-29)
Surkan, P.J.; Steineck, G.; Kreicbergs, U. (2008-07)Mental health surveys are used extensively in epidemiological research worldwide. The ethical questions that arise regarding their risk of causing psychological distress or other potential harm have not been studied in the ...