TY - BOOK AU - Collins,R.Douglas AU - Collins,R.Douglas TI - Differential diagnosis in primary care SN - 0397508166 (pbk.) AV - RC71.5 .C62 1987 U1 - 616.07/5 19 PY - 1987/// CY - Philadelphia PB - Lippincott KW - Diagnosis, Differential N1 - Rev. ed. of: Dynamic differential diagnosis. 1981; Includes index ER -