TY - BOOK AU - Betts, Robert F AU - Chapman, Stanley W AU - Penn, Robert L TI - A practical approach to infectious diseases SN - 9780781732819 SN - 200203001 U1 - 616.9 BET PY - 2003/// CY - Philadelphia PB - Lippincott Williams & Wilkins KW - Communicable Diseases - Handbooks KW - Communicable diseases - Handbooks, manuals, etc N1 - Includes bibliographical references and index ER -