TY  - RPRT
TI  - Anal endosonography: which endoprobe?
AU  - M Papachrysostomou
AU  - S D Pye
AU  - S R Wild
AU  - A N Smith
PY  - 1992
DO  - 10.1259/0007-1285-65-776-715
UR  - https://pubmed.ncbi.nlm.nih.gov/1393400/
ID  - 1393400
ER  -