PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2059596-4 1991 The tap test was also more reliable in identifying fetuses with borderline lecithin/sphingomyelin ratios in the range 3.2-3.7:1. Lecithins 75-83 nuclear RNA export factor 1 Homo sapiens 4-7