. . . . . . . "[The inability of lung tumor cells to process the CT precursor to calcitonin of 3,500 mol wt may reflect a lack of specific prohormone processing enzymes in these tumor cells or may be due to structural polymorphism in the CT precursor expressed in the lung cells.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:11:10+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .