TY  - RPRT
TI  - Fiber optic sigmoidoscopes. Up-to-date developments.
AU  - R Turell
PY  - 1967
DO  - 10.1016/0002-9610(67)90245-0
UR  - https://pubmed.ncbi.nlm.nih.gov/6016735/
ID  - 6016735
ER  -