title: Letter to the editor of biometrics on "joint regression analysis for discrete longitudinal data" by Madsen and Fang.
authors: Roy T
authors: RT
authors: Sabo
authors: N Rao
authors: NR
authors: Chaganty
mesh_terms: D001699:Biometry / Q000379:methods*; D006801:Humans; D008137:Longitudinal Studies; D012044:Regression Analysis