TY - BOOK AU - Sognnaes, Reider F. ED - Symposium on Mechanisms of Hard Tissue Destruction (129th. : 1962 : Philadelphia) TI - Mechanisms of hard-tissue destruction: A symposium presented at the Philadelphia Meeting of the American Association for the Advancement of Science December 29 and 30, 1962 T2 - American Association for the Advancement of Science ; publication no. 75 PY - 1963/// CY - Washington PB - American Association for the Advancement of Science KW - Bone diseases KW - Congresses KW - Dental caries N1 - Includes bibliographical references ER -