MOLENBERGHS, G.; NJAGI, E. N.; KENWARD, M. G.; VERBEKE, G. Enriched-Data Problems and Essential Non-Identifiability. International Journal of Statistics in Medical Research, [S. l.], v. 1, n. 1, p. 16–44, 2012. DOI: 10.6000/1929-6029.2012.01.01.02. Disponível em: https://www.lifescienceglobal.com/pms/index.php/ijsmr/article/view/351. Acesso em: 30 apr. 2024.