RT Journal Article SR Electronic T1 William Carlos Williams circumcises Ernest Hemingway’s first son JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 703 OP 703 DO 10.1503/cmaj.091439 VO 182 IS 7 A1 Jack Coulehan YR 2010 UL http://www.cmaj.ca/content/182/7/703.abstract