{
    "PMID": "10495277",
    "TI": "Parental origin-specific expression of Mash2 is established at the time of implantation with its imprinting mechanism highly resistant to genome-wide demethylation.",
    "JT": "Mechanisms of development",
    "BTI": "",
    "DP": "1999-09",
    "AU": "Tanaka M, Puchyr M, Gertsenstein M, Harpal K, Jaenisch R, Rossant J, Nagy A"
}