TY - GEN AU - Fihn,Stephan D. AU - DeWitt,Dawn E. TI - Medicina de primer contacto / SN - 970-655-878-0 U1 - 616 M4892m PY - 2006/// CY - México : PB - Intersistemas, American College of Physicians, KW - MEDICINA N1 - "Medical Knowledge Self-Assessment Program" ER -