TY - RPRT TI - Dispersion models and longitudinal data analysis. AU - B Jorgensen AU - M Tsao DO - 10.1002/(sici)1097-0258(19990915/30)18:17/18<2257::aid-sim253>3.0.co;2-m UR - https://pubmed.ncbi.nlm.nih.gov/10474137/ ID - 10474137 ER -