Udomwan, P.; Charoenkwan, K.; Siriaunkgul, S.; Srisomboon, J.; Khunamornpong, S.; Suprasert, P. Prevalence and Predicting Factors for Pelvic Lymph Node Metastasis in Stage IB1 Cervical Carcinoma. Thai J Obstet Gynaecol 2017, 15, 161-167.