1. Viral hepatitis, clinical and public health aspects. Public Health Service Publication No. 435;Eichenwald,1959
2. Zinsser’s microbiology;Smith,1960
3. Microbiologic hazards of local dental anesthesia. II. Pilot study of involuntary aspiration of bacteria into hypodermic needles and anesthetic cartridges after injection;Streitfeld;J.A.D.A.,1958
4. Topley and Wilson’s principles of bacteriology and immunity;Topley,1955