{
    "PMID": "10207136",
    "TI": "Intronic enhancers control expression of zebrafish sonic hedgehog in floor plate and notochord.",
    "JT": "Development (Cambridge, England)",
    "BTI": "",
    "DP": "1999-05",
    "AU": "M\u00fcller F, Chang B, Albert S, Fischer N, Tora L, Str\u00e4hle U"
}