Rachanee Wongchanachit. (1992) Chromosome study on spontaneous abortions in Ramathibodi hospital. Mahidol University,:ม.ป.ท.Rachanee Wongchanachit. 1992. Chromosome study on spontaneous abortions in Ramathibodi hospital. ม.ป.ท.:Mahidol University,;Rachanee Wongchanachit. Chromosome study on spontaneous abortions in Ramathibodi hospital. ม.ป.ท.:Mahidol University, 1992. Print.