TY - BOOK AU - Boyd, Robert F. AU - Hoerl, Bryan G. ED - ED - ED - ED - SN - 316104337 SN - 2 PY - 1981///];copyright 1981.46 CY - Boston PB - Little, Brown KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Medical microbiology N1 - Includes bibliographies and index; 5 ER -