PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21608225-0 2011 [Effect of sihui mixture on the learning and memory ability, mRNA expressions of hippocampal NMDA subunit NR2A and NR2B, and EphB2 receptor in fatigue rats]. N-Methylaspartate 93-97 glutamate ionotropic receptor NMDA type subunit 2A Rattus norvegicus 106-110