TY - RPRT TI - Effect of processed and non-processed coffee samples on gastric potential difference. Study with healthy male Helicobacter pylori-positive and Helicobacter pylori-negative volunteers. AU - A Ehrlich AU - P W Lücker AU - A Schaefer PY - 1999 DO - 10.1055/s-0031-1300473 UR - https://pubmed.ncbi.nlm.nih.gov/10442212/ ID - 10442212 ER -