paper : The Generalized Estimating Equation Approach When Data Are Not Missing Completely at Random
author : Myunghee Cho Paik
Journal of the American Statistical Association Vol. 92, No. 440 (Dec., 1997), pp. 1320-1329 (article consists of 10 pages) Published by: American Statistical Association Stable URL:
http://www.jstor.org/stable/2965402