. . . . . . . "[Couples requesting microsurgical epididymal sperm aspiration and in vitro fertilization, e.g. intracytoplasmic sperm injection, should be offered genetic counselling and molecular genetic analysis of the CFTR gene, if male infertility due to obstructive azoospermia is the underlying cause.]. 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 . "2017-10-17T13:11:31+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .