PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14562685-2 2003 The purified hCG-preparations from various blood group donors were shown to differ in their sialic acid content. N-Acetylneuraminic Acid 92-103 hypertrichosis 2 (generalised, congenital) Homo sapiens 13-16