{
    "PMID": "10398246",
    "TI": "Four families (MRX43, MRX44, MRX45, MRX52) with nonspecific X-linked mental retardation: clinical and psychometric data and results of linkage analysis.",
    "JT": "American journal of medical genetics",
    "BTI": "",
    "DP": "1999-07-30",
    "AU": "Hamel B C, Smits A P, van den Helm B, Smeets D F, Knoers N V, van Roosmalen T, Thoonen G H, Assman-Hulsmans C F, Ropers H H, Mariman E C, Kremer H"
}