PT - JOURNAL ARTICLE AU - D. Helwig TI - Pioneer physician's 172-year-old home focus of Ontario controversy DP - 1991 May 15 TA - Canadian Medical Association Journal PG - 1308--1308 VI - 144 IP - 10 4099 - http://www.cmaj.ca/content/144/10/1308.short 4100 - http://www.cmaj.ca/content/144/10/1308.full SO - CMAJ1991 May 15; 144