. "O'Brien WE"^^ . "Beaudet AL"^^ . "Freytag SO"^^ . "Bock HG"^^ . "PubMed"^^ . "6095035"^^ . "Mol Cell Biol 4(10);1978-84"^^ . "Molecular structure of the human argininosuccinate synthetase gene: occurrence of alternative mRNA splicing."^^ . "1984"^^ .