paper : weighted estimating equations with nonignorable missing response data

author : Andrea B. Troxel, Stuart R. Lipsitz and Troyen A. Brennan
Biometrics
Vol. 53, No. 3 (Sep., 1997), pp. 857-869
(article consists of 13 pages)
Published by: International Biometric Society
Stable URL: http://www.jstor.org/stable/2533548