{
    "PMID": "10066035",
    "TI": "Analysis of infertile brothers with congenital bilateral absence of vas deferens for mutations in the CFTR gene.",
    "JT": "Clinical genetics",
    "BTI": "",
    "DP": "1999-01",
    "AU": "Onay T, Kayserili H, Apak M Y, Kirdar B"
}