Harel  Dan, Simsa-Maziel, Stav , Reich, Adi , Sela-Donenfeld, Dalit , and Monsonego-Ornan, Efrat . 2012. ?The Role Of Matrix Gla Protein In Ossification And Recovery Of The Avian Growth Plate?. Frontiers In Endocrinology, 3. doi:10.3389/fendo.2012.00079.