RT Journal Article SR Electronic T1 Upsurge of genital Chlamydia trachomatis infection JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 855 OP 855 DO 10.1503/cmaj.1041489 VO 171 IS 8 A1 Erica Weir YR 2004 UL http://www.cmaj.ca/content/171/8/855.abstract