PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6987309-3 1980 When the EPO concentration of the reaction mixture was lowered, the bactericidal effect at pH 7.0 was lost first with chloride, then with bromide, and finally with iodide as the halide. Iodides 164-170 erythropoietin Cavia porcellus 9-12