TY  - RPRT
TI  - How many endoscopic biopsy specimens?
AU  - R Rowland
AU  - T Durbridge
PY  - 1976
DO  - 10.5694/j.1326-5377.1976.tb134452.x
UR  - https://pubmed.ncbi.nlm.nih.gov/979835/
ID  - 979835
ER  -