TY - BOOK AU - Mackenzie,Richard S. AU - Harrop,Trevor J. TI - An instructional information exchange for dentistry in the United States T2 - DHEW publication AV - RK91 I577 PY - 1975/// CY - [United States] PB - U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration KW - DENTISTRY KW - STUDY AND TEACHING KW - UNITED STATES ER -