BUN/Cr ratio as an index of gastrointestinal bleeding mass in children.
Urashima M, Toyoda S, Nakano T, Matsuda S, Kobayashi N, Kitajima H, Tokushige A, Horita H, Akatsuka J, Maekawa K.
Urashima M, et al.
J Pediatr Gastroenterol Nutr. 1992 Jul;15(1):89-92. doi: 10.1097/00005176-199207000-00014.
J Pediatr Gastroenterol Nutr. 1992.
PMID: 1403455