. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "smad4_human"^^ . "Deletion target in pancreatic carcinoma 4"^^ . "SMAD4"^^ . "SMAD family member 4"^^ . "MADH4"^^ . "DPC4"^^ . . . . "Mothers against decapentaplegic homolog 4"^^ .