TY - BOOK AU - Nora,James J. TI - Medical genetics: principles and practice SN - 0812116631 AV - RB155 .N67 1994 U1 - 616/.042 20 PY - 1994/// CY - Philadelphia PB - Lea & Febiger KW - Medical genetics N1 - At head of title: Nora and Fraser; Includes bibliographical references and index ER -