PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7297912-3 1981 Aspirin (at pH 2) and soluble aspirin (pH 4.4) applied topically reduced buccal PD, but this fall was abolished by buffering to pH 7. Aspirin 30-37 prolyl 4-hydroxylase, transmembrane Homo sapiens 39-43