Rana และผู้แต่งคนอื่นๆ. 1993. Low birthweight babies : a case-control study of maternal risk factors in a Bangkok maternity hospital. Faculty of Graduate Studies, Mahidol University;
Rana และผู้แต่งคนอื่นๆ. (1993) Low birthweight babies : a case-control study of maternal risk factors in a Bangkok maternity hospital . Mahidol University/Bangkok.
Rana และผู้แต่งคนอื่นๆ. Low birthweight babies : a case-control study of maternal risk factors in a Bangkok maternity hospital. . Bangkok:Mahidol University, 1993.
Rana และผู้แต่งคนอื่นๆ. (1993) Low birthweight babies : a case-control study of maternal risk factors in a Bangkok maternity hospital . Mahidol University/Bangkok.