RT Journal Article SR Electronic T1 Erythema infectiosum and parvovirus B19 infection in pregnancy. Infectious Diseases and Immunization Committee, Canadian Paediatric Society JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 633 OP 634 VO 139 IS 7 YR 1988 UL http://www.cmaj.ca/content/139/7/633.abstract