Triniti, A., Suthatvorawut, S. and O-Prasertsawat, P. 2017. Epidemiologic Study of Cervical Swab Culture in Preterm Premature Rupture of Membrane (PPROM) at Ramathibodi Hospital. Thai Journal of Obstetrics and Gynaecology. 16, 3 (Apr. 2017), 173–178.