RT Journal Article SR Electronic T1 Parasitism in an Ontario mental institution: preliminary report JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1114 OP 1114 VO 116 IS 10 A1 Sholten, T. A1 Yang, J. A1 Palmer, J. YR 1977 UL http://www.cmaj.ca/content/116/10/1114.abstract