Limpivest, U. and Paritakul, P. 2017. Study of Delivery Forces used during a Shoulder Dystocia Simulation for 6th years Medical Students. Thai Journal of Obstetrics and Gynaecology. 25, 3 (Sep. 2017), 199–205. DOI:https://doi.org/10.14456/tjog.2017.28.