Suwannobol, N. , JintanaTapin, J. , Narachan, K. (2012), 'The Results of the Fetal Weight Estimation of the Infants Delivered in the Delivery Room At Dan Khunthot Hospital by Johnson-s Method', World Academy of Science, Engineering and Technology, Open Science Index 71, International Journal of Medical and Health Sciences, 6(11), 523 - 525.