机构:
Univ N Carolina, Div Gastroenterol & Hepatol, Ctr Funct GI & Motil Disorders, Chapel Hill, NC 27599 USAUniv N Carolina, Div Gastroenterol & Hepatol, Ctr Funct GI & Motil Disorders, Chapel Hill, NC 27599 USA
机构:
Univ N Carolina, Div Gastroenterol & Hepatol, Ctr Funct GI & Motil Disorders, Chapel Hill, NC 27599 USAUniv N Carolina, Div Gastroenterol & Hepatol, Ctr Funct GI & Motil Disorders, Chapel Hill, NC 27599 USA