TY - BOOK AU - Allen,Don L. AU - McFall,Walter T. AU - Jenzano,Joyce W. TI - Periodontics for the dental hygienist SN - 0812110471 U1 - 617.632 PY - 1987/// CY - Philadelphia PB - Lea & Febiger KW - Periodontics KW - Dental hygiene KW - Dental Hygienists KW - Periodontal Diseases ER -