1. Statistical Methods in Medical Research;Armitage,1980
2. Significance factors for true ratio of a Poisson variable to its expectation;Bailar;Biometrics,1964
3. Otitis Media in Infants and Children;Bluestone,1988
4. The ‘otitis-prone’ condition;Howie;Am. J. Dis. Child.,1975
5. The Statistical Analysis of Failure Time Data;Kalbfleisch,1980