TY  - RPRT
TI  - Ulcerative colitis. Mysterious, multiplex and menacing.
AU  - J B Kirsner
PY  - 1971
DO  - 10.1016/0021-9681(71)90001-4
UR  - https://pubmed.ncbi.nlm.nih.gov/5556488/
ID  - 5556488
ER  -