TY  - RPRT
TI  - Directed biopsy using a small endoscope: thoracoscopy and peritoneoscopy simplified.
AU  - S R Ash
AU  - F Manfredi
PY  - 1974
DO  - 10.1056/nejm197412262912608
UR  - https://pubmed.ncbi.nlm.nih.gov/4279337/
ID  - 4279337
ER  -