1. A Tumor Registry Study of Oral Squamous Carcinoma;Chierici;J. Oral Med.,1968
2. Chart Book on Smoking, Tobacco, and Health;National Center for Health Statistics;Public Health Service Publication No. 1937,1969
3. American Drinking Practices: Summary of Findings From a National Probability Sample. I. Extent of Drinking by Population Subgroups;Cahalan;Q. J. Stud. Alcohol,1968