作者单位:
Univ Minnesota, Div Gastroenterol Hepatol & Nutr, Minneapolis, MN USA
[1]
Cyst Fibrosis Fdn, Dept Med, Bethesda, MD USA
[2]
European Inst Oncol, Div Epidemiol & Biostat, Unit Clin Epidemiol, Milan, Italy
[3]
Mem Sloan Kettering Canc Ctr, Dept Epidemiol & Biostat, New York, NY 10021 USA
[4]
New York Med Coll, Valhalla, NY 10595 USA
[5]
Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA
[6]
发布时间
2019-01-12