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Generalized Estimating Equations for Ordinal Categorical Data: Arbitrary Patterns of Missing Responses and Missingness in a Key Covariate
Toledano, Alicia Y., (1999)
The long debate on the sixth guaiac test: time to move on to new grounds
Gatsonis, Constantine, (1990)
On the estimation of a restricted normal mean,
Gatsonis, Constantine, (1987)