{
    "PMID": "10588879",
    "TI": "Complementary domains of retinoic acid production and degradation in the early chick embryo.",
    "JT": "Developmental biology",
    "BTI": "",
    "DP": "1999-12-01",
    "AU": "Swindell E C, Thaller C, Sockanathan S, Petkovich M, Jessell T M, Eichele G"
}