PT - JOURNAL ARTICLE AU - R. Shepherd TI - The population explosion revisited DP - 1997 Oct 01 TA - Canadian Medical Association Journal PG - 876--876 VI - 157 IP - 7 4099 - http://www.cmaj.ca/content/157/7/876.1.short 4100 - http://www.cmaj.ca/content/157/7/876.1.full SO - CMAJ1997 Oct 01; 157