[1] MASSACHUSETTS GEN HOSP,PEDIAT SURG RES LAB,WARREN 11,BOSTON,MA 02114
[2] MASSACHUSETTS GEN HOSP,VINCENT RES LAB,BOSTON,MA 02114
[3] MASSACHUSETTS GEN HOSP,DEPT SURG,BOSTON,MA 02114
[4] MASSACHUSETTS GEN HOSP,DEPT PEDIAT,BOSTON,MA 02114
[5] MASSACHUSETTS GEN HOSP,DEPT PATHOL,BOSTON,MA 02114
[6] MASSACHUSETTS GEN HOSP,DEPT OBSTET & GYNECOL,BOSTON,MA 02114
[7] HARVARD UNIV,SCH MED,BOSTON,MA 02115