RT Journal Article SR Electronic T1 Outbreak of pertussis in a small community JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 902 OP 902 VO 132 IS 8 A1 Malhotra, K. K. A1 Levasseur, D. YR 1985 UL http://www.cmaj.ca/content/132/8/902.abstract