RT Journal Article SR Electronic T1 The need for extended treatment of anaphylaxis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1229 OP 1230 VO 122 IS 11 A1 R. Stein A1 Y. N. Kwee A1 J. Greenbaum A1 J. Dolovich YR 1980 UL http://www.cmaj.ca/content/122/11/1229.abstract