{
    "PMID": "10198428",
    "TI": "The chicken HPRT gene: a counter selectable marker for the DT40 cell line.",
    "JT": "Nucleic acids research",
    "BTI": "",
    "DP": "1999-05-01",
    "AU": "Fukagawa T, Hayward N, Yang J, Azzalin C, Griffin D, Stewart A F, Brown W"
}