el-Sharkawi, A M Second opinions in oncology: nuisance or opportunity? [electronic resource] - Clinical oncology (Royal College of Radiologists (Great Britain)) 1998 - 276 p. digital Publication Type: Comment; Letter ISSN: 0936-6555 Standard No.: 10.1016/s0936-6555(98)80023-x doi Subjects--Topical Terms: HumansMedical OncologyReferral and Consultation