PT - JOURNAL ARTICLE AU - M. C. Kirwan TI - A timely question about physicians' work hours DP - 1998 Jan 27 TA - Canadian Medical Association Journal PG - 170--170 VI - 158 IP - 2 4099 - http://www.cmaj.ca/content/158/2/170.3.short 4100 - http://www.cmaj.ca/content/158/2/170.3.full SO - CMAJ1998 Jan 27; 158