PT - JOURNAL ARTICLE AU - Williams, L. S. TI - Alberta residents, interns first in Canada to enjoy mandatory limit of 28 on-call hours DP - 1992 Mar 15 TA - Canadian Medical Association Journal PG - 1028--1028 VI - 146 IP - 6 4099 - http://www.cmaj.ca/content/146/6/1028.short 4100 - http://www.cmaj.ca/content/146/6/1028.full SO - CMAJ1992 Mar 15; 146