ELISA:
Smad1, MADH1, Mothers Against Decapentaplegic Homolog 1, BSP1, BSP-1, hSMAD1, JV4-1SMAD, mothers against DPP homolog 1, Drosophila, MAD homolog 1, Mothers against DPP homolog 1, SMAD family member 1SMAD 1, SMAD, mothers against DPP homolog 1, Smad1, TGF-beta signaling protein 1