Saint-Pierre, P The analysis of asthma control under a Markov assumption with use of covariates. [electronic resource] - Statistics in medicine Dec 2003 - 3755-70 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0277-6715 Standard No.: 10.1002/sim.1680 doi Subjects--Topical Terms: Asthma--pathologyDisease ProgressionFollow-Up StudiesHumansLikelihood FunctionsLongitudinal StudiesMarkov Chains