RT Journal Article SR Electronic T1 More hours, more tired, more to do: results from the CMA's 2002 Physician Resource Questionnaire JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 521 OP 522 VO 167 IS 5 A1 Shelley Martin YR 2002 UL http://www.cmaj.ca/content/167/5/521.1.abstract