PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7188928-1 1980 PHA-stimulated lymphocytes cultivated from a pair of human monozygotic twins yielded mostly tetraploid cells when colchicine was not used to arrest the metaphases. Colchicine 114-124 lamin B receptor Homo sapiens 0-3