TY - BOOK AU - Allen,Don L. AU - McFall,Walter T. AU - Hunter,Grover C. TI - Periodontics for the dental hygienist SN - 0812104609 U1 - 617.632 PY - 1974/// CY - Philadelphia PB - Lea & Febiger KW - Periodontics KW - Dental hygiene KW - Dental hygienists KW - Periodontal diseases ER -