RT Journal Article SR Electronic T1 Gather ye rosebuds while ye may -- but avoid the mushrooms JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 431 OP 431 VO 157 IS 4 A1 Hoey, J. A1 Todkill, A. M. YR 1997 UL http://www.cmaj.ca/content/157/4/431.abstract AB