PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9295213-2 1997 In the absence of light, pCO (> 138 Torr) stimulated the carotid body chemoreceptors in CO2-HCO3- buffer at pHo of 7.40, whereas pCO (69-550 Torr) did not stimulate the neural discharge in HEPES buffer at the pHo of 7.4-7.1 but did so below pHo 7.1. Bicarbonates 95-99 PCOS1 Homo sapiens 25-28