RT Journal Article SR Electronic T1 Three unusual cases of parasitic infections JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 368 OP 369 VO 117 IS 4 A1 Scholten, T. A1 Brunsdon, D. F. A1 Rogan, W. M. A1 Richards, R. N. YR 1977 UL http://www.cmaj.ca/content/117/4/368.abstract