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Linear models for the analysis of longitudinal studies
Ware, James H., (1985)
Prediction and Creation of Smooth Curves for Temporally Correlated Longitudinal Data
Donnelly, Christl A., (1995)
Predictors of simple diarrhoea in children under 5 years--A study of a sudanese rural community
El Samani, Fatih Z., (1989)