PT - JOURNAL ARTICLE ED - , TI - Letter: Painful shoulder syndrome DP - 1975 May 03 TA - Canadian Medical Association Journal PG - 1039a--1042 VI - 112 IP - 9 4099 - http://www.cmaj.ca/content/112/9/1039a.short 4100 - http://www.cmaj.ca/content/112/9/1039a.full SO - CMAJ1975 May 03; 112