TY  - RPRT
TI  - Screening sigmoidoscopy. Factors associated with utilization.
AU  - S F Lewis
AU  - N M Jensen
PY  - 1996
DO  - 10.1007/bf02599602
UR  - https://pubmed.ncbi.nlm.nih.gov/8905504/
ID  - 8905504
ER  -