TY  - RPRT
TI  - 44-year-old man with rectal bleeding.
AU  - G Lehman
AU  - H Wellman
AU  - J Lappas
AU  - K Warfel
PY  - 1985
UR  - https://pubmed.ncbi.nlm.nih.gov/3871806/
ID  - 3871806
ER  -