[1]
shojai, M., Kazemnejad, A., Zayeri, F. and Vahedi, M. 2013. Application of semi-parametric single-index two-part regression and parametric two-part regression in estimation of the cost of functional gastrointestinal disorders. Gastroenterology and Hepatology from Bed to Bench. 6, 4 (Sep. 2013), Gastroenterol Hepatol Bed Bench 2013;6(4):202–209. DOI:https://doi.org/10.22037/ghfbb.v6i4.439.