1. A simple stochastic model of recovery, relapse and loss of patients;Fix;Hum. Biol.,1951
2. An application of Markov processes to the study of the epidemiology of mental disease;Marchall;J. Amer. Statist. Assoc.,1955
3. Estimates and test procedures in connection with stochastic models for deaths, recoveries and transfers between different states of health;Sverdrup;Skand. Aktuarietidskr.,1965
4. A transition probability model for the study of chronic disease;Sacks;Math. Biosci.,1977
5. The relationship between air pollution and weather as stimuli and daily mortality as responses in Tokyo, Japan, with comparisons with other cities;Lebowitz;Environ. Res.,1973