PT - JOURNAL ARTICLE AU - K. S. Joseph TI - Ethics in clinical research: searching for absolutes DP - 1998 May 19 TA - Canadian Medical Association Journal PG - 1303--1305 VI - 158 IP - 10 4099 - http://www.cmaj.ca/content/158/10/1303.short 4100 - http://www.cmaj.ca/content/158/10/1303.full SO - CMAJ1998 May 19; 158