TY  - JOUR
A1  - McMahon, J.M.
A1  - Pouget, E.R.
A1  - Tortu, S. 
T1  - A guide for multilevel modeling of dyadic data with binary outcomes using SAS PROC nlmixed
Y1  - 2006
DO  - 10.1016/j.csda.2005.08.008
JF  - Computational Statistics and Data Analysis
VL  - 50
IS  - 12

ER  -