TY  - RPRT
TI  - Endoscopy: introductory remarks.
AU  - W I Wolff
PY  - 1976
DO  - 10.1002/1097-0142(197601)37:1+<433::aid-cncr2820370705>3.0.co;2-u
UR  - https://pubmed.ncbi.nlm.nih.gov/764966/
ID  - 764966
ER  -