PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31001634-0 2019 The capability of L-carnitine-mediated antioxidant on cock during aging: evidence for the improved semen quality and enhanced testicular expressions of GnRH1, GnRHR, and melatonin receptors MT 1/2. Carnitine 18-29 gonadotropin releasing hormone 1 Homo sapiens 152-157