AU - Vedula S, Altman DG TI - EFfect size estimation as an essential component of statistical analysis PT - JOUR DP - 2010 TA - Archives of Surgery pages = {401-402}, VI - 145 IP - 4 AID - 10.1001/archsurg.2010.33 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.2010.33 SO - Archives of Surgery April 1, 2010 145(4):401