PT - JOURNAL ARTICLE AU - Darios, Robert J. TI - Effort Thrombosis AID - 10.3122/jabfm.2.4.293c DP - 1989 Oct 01 TA - The Journal of the American Board of Family Practice PG - 293--294 VI - 2 IP - 4 4099 - http://www.jabfm.org/content/2/4/293.2.short 4100 - http://www.jabfm.org/content/2/4/293.2.full SO - J Am Board Fam Med1989 Oct 01; 2