Authors: Ray, GT Collin, F Lieu, T Fireman, B Colby, CJ Quesenberry, CP Van Den Eeden, SK Selby, JV

Citation: Gt. Ray et al., The cost of health conditions in a health maintenance organization, MED C RES R, 57(1), 2000, pp. 92-109

Authors: Schoen, EJ Colby, CJ Ray, GT

Citation: Ej. Schoen et al., Newborn circumcision decreases incidence and costs of urinary tract infections during the first year of life, PEDIATRICS, 105(4), 2000, pp. 789-793

Authors: Schoen, EJ Oehrli, M Colby, CJ Machin, G

Citation: Ej. Schoen et al., The highly protective effect of newborn circumcision against invasive penile cancer, PEDIATRICS, 105(3), 2000, pp. E361-E364

Authors: Walton, DL Norem, CT Schoen, EJ Ray, GT Colby, CJ

Citation: Dl. Walton et al., Second-trimester serum chorionic gonadotropin concentrations and complications and outcome of pregnancy., N ENG J MED, 341(27), 1999, pp. 2033-2038