Unchalee Siripitayakunkit. (1989) Rotavirus infection in infants at Ramathibodi hospital, Bangkok. Mahidol University,:ม.ป.ท.Unchalee Siripitayakunkit. 1989. Rotavirus infection in infants at Ramathibodi hospital, Bangkok. ม.ป.ท.:Mahidol University,;Unchalee Siripitayakunkit. Rotavirus infection in infants at Ramathibodi hospital, Bangkok. ม.ป.ท.:Mahidol University, 1989. Print.