PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22658658-5 2012 Under optimal conditions, limits of detection at low nanograms per liter were achieved (1.0 and 2.5 ng L-1 for THC and THCCOOH respectively). 11-nor-delta(9)-tetrahydrocannabinol-9-carboxylic acid 119-126 immunoglobulin kappa variable 1-16 Homo sapiens 103-106