{
    "PMID": "10518210",
    "TI": "Mouse Lefty2 and zebrafish antivin are feedback inhibitors of nodal signaling during vertebrate gastrulation.",
    "JT": "Molecular cell",
    "BTI": "",
    "DP": "1999-09",
    "AU": "Meno C, Gritsman K, Ohishi S, Ohfuji Y, Heckscher E, Mochida K, Shimono A, Kondoh H, Talbot W S, Robertson E J, Schier A F, Hamada H"
}