TY  - RPRT
TI  - [Principles and methods for examining proctology patients].
AU  - K M Lisitsyn
AU  - V P Petrov
AU  - A A Protasevich
PY  - 1986
UR  - https://pubmed.ncbi.nlm.nih.gov/3750914/
ID  - 3750914
ER  -