RT Journal Article SR Electronic T1 Should nurse practitioners play a larger role in Canada's health care system? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1020 OP 1021 VO 146 IS 6 A1 P. P. Morgan A1 L. Cohen YR 1992 UL http://www.cmaj.ca/content/146/6/1020.abstract