RT Journal Article SR Electronic T1 Temporary shortage of DPTP-Hib JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1030 OP 1030 DO 10.1503/cmaj.1041576 VO 171 IS 9 A1 Pauline Comeau YR 2004 UL http://www.cmaj.ca/content/171/9/1030.1.abstract AB