RT Journal Article SR Electronic T1 The role of sentinel lymph node biopsy after excision of melanomas (May 2015) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 479 OP 479 DO 10.3949/ccjm.82c:08005 VO 82 IS 8 A1 Keller, David L. YR 2015 UL http://www.ccjm.org/content/82/8/479.2.abstract AB