RT Journal Article SR Electronic T1 Techniques of Meta-Analysis JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 434 OP 434 DO 10.3122/jabfm.6.4.434 VO 6 IS 4 A1 James Nuovo YR 1993 UL http://www.jabfm.org/content/6/4/434.1.abstract AB