@misc{10404,
  author = {A. Walker and P. Szneke and L. Bianchi and L. Field and L. Sutherland and N. Dreyer},
  title = {5-Aminosalicylates, sulfasalazine, steroid use, and complications in patients with ulcerative colitis},
  year = {1997},
  journal = {Am J Gastroenterol},
  volume = {92},
  number = {5},
  pages = {816-20},
  issn = {0002-9270 (Print) 0002-9270},
}