TY - BOOK AU - Nield-Gehrig,Jill S. AU - Willmann,Donald E. TI - Foundations of periodontics for the dental hygienists SN - 0781723388 (pbk.) PY - 2003/// CY - Baltimore, Maryland PB - Lippincott Williams & Wilkins KW - Periodontics KW - Dental hygienists N1 - Includes bibliographical references and index ER -