Cite
MLA Citation
Sailaja Pisipati et al.. “S563 Diagnostic Yield of Upper and Lower Endoscopic Biopsies for Evaluation of Suspected Acute Gastrointestinal Graft-Versus-Host Disease.” American journal of gastroenterology, vol. 116, n.d., p. S257. http://access.bl.uk/ark:/81055/vdc_100144523821.0x000009