RT Journal Article SR Electronic T1 Koplik spots in early measles JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 583 OP 583 DO 10.1503/cmaj.080724 VO 180 IS 5 A1 Steichen, Oliver A1 Dautheville, Sandrine YR 2009 UL http://www.cmaj.ca/content/180/5/583.abstract