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2. American College of Obstetricians and Gynecologists Trauma during pregnancy;Technical Bulletin no. 161,1991
3. American College of Obstetricians and Gynecologists Exercise during pregnancy and postpartum period;Technical Bulletin 189,1994
4. Prophylaxis of Plasmodium falciparum malaria with azithromycin administered to volunteers;Anderson;Ann Intern Med,1995
5. Virus-like particles in the liver of a patient with fulminant hepatitis and antibody to hepatitis E virus;Asher;J Med Virol,1990