PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22024786-4 2011 Typically, symptoms correlate with the methemoglobin level, and treatment with methylene blue is reserved for patients with significantly elevated methemoglobin levels. Methylene Blue 79-93 hemoglobin subunit gamma 2 Homo sapiens 147-160