1. Estimating the error rates of diagnostic tests;Hui;Biometrics,1980
2. Maximum likelihood for incomplete data via the EM-algorithm;Dempster;JR Stat Soc,1977
3. Sinusitis;Gwaltney,1990
4. Sinusitis Maxillaris;Van Duijn,1991
5. Discrimination of purulent from nonpurulent maxillary sinusitis: clinical and radiographic diagnosis;Berg;Ann Otol,1981