Boyd, Julian D., Wessels, Kenneth E., and Cheyne , V.D.: Long-Term Studies of Dental Caries Progression Among Teen-Aged Inmates of a Custodial Institution , J. Calif. D. A.26: 30, 1950.
2.
Boyd, J.D., and Wessels, K.E.: Epidemiologic Studies in Dental Caries, III: The Interpretation of Clinical Data Relating to Caries Advance, Am. J. Pub. Health41: 976, 1951.
3.
Boyd, J.D., Wessels, K.E., and Cheyne, V.D.: Is the Lactobacillus Count a Valid Index of the Activity of Dental Caries? Proc. Soc. Exper. Biol. & Med. 71: 533, 1949.
4.
Boyd, J.D., and Cheyne, V.D.: Epidemiologic Studies in Dental Caries. II.: The Incidence of Caries Among Institutionalized Children, J. Pediatrics31: 306, 1947.
