PT - JOURNAL ARTICLE AU - Marshall, J. G. TI - How to choose the online medical database that's right for you DP - 1986 Mar 15 TA - Canadian Medical Association Journal PG - 634--637 VI - 134 IP - 6 4099 - http://www.cmaj.ca/content/134/6/634.short 4100 - http://www.cmaj.ca/content/134/6/634.full SO - CMAJ1986 Mar 15; 134