TY  - RPRT
TI  - Methods of bowel preparation for sigmoidoscopy. A comparative study.
AU  - A WEISS
AU  - E R PITMAN
PY  - 1962
DO  - 10.1007/bf02232665
UR  - https://pubmed.ncbi.nlm.nih.gov/14005845/
ID  - 14005845
ER  -