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Philadelphia VA Med Ctr, Gastroenterol Sect, 3900 Woodland Ave,4th Floor South Bldg, Philadelphia, PA 19104 USA
Philadelphia VA Med Ctr, Ctr Hlth Equ Res & Promot, Philadelphia, PA USA
Hosp Univ Penn, Dept Med, Div Gastroenterol, Philadelphia, PA 19104 USA Philadelphia VA Med Ctr, Gastroenterol Sect, 3900 Woodland Ave,4th Floor South Bldg, Philadelphia, PA 19104 USA