Onal, H. Et Al. 2010. An important problem in developing countries: maternal and neonatal vitamin B12 deficiency. TURK PEDIATRI ARSIVI-TURKISH ARCHIVES OF PEDIATRICS , vol.45, no.3 , 242-245.

Onal, H., Adal, E., Oner, T., Onal, Z., & Aydin, A., (2010). An important problem in developing countries: maternal and neonatal vitamin B12 deficiency. TURK PEDIATRI ARSIVI-TURKISH ARCHIVES OF PEDIATRICS , vol.45, no.3, 242-245.

Onal, Hasan Et Al. "An important problem in developing countries: maternal and neonatal vitamin B12 deficiency," TURK PEDIATRI ARSIVI-TURKISH ARCHIVES OF PEDIATRICS , vol.45, no.3, 242-245, 2010

Onal, Hasan Et Al. "An important problem in developing countries: maternal and neonatal vitamin B12 deficiency." TURK PEDIATRI ARSIVI-TURKISH ARCHIVES OF PEDIATRICS , vol.45, no.3, pp.242-245, 2010

Onal, H. Et Al. (2010) . "An important problem in developing countries: maternal and neonatal vitamin B12 deficiency." TURK PEDIATRI ARSIVI-TURKISH ARCHIVES OF PEDIATRICS , vol.45, no.3, pp.242-245.

@article{article, author={Hasan Onal Et Al. }, title={An important problem in developing countries: maternal and neonatal vitamin B12 deficiency}, journal={TURK PEDIATRI ARSIVI-TURKISH ARCHIVES OF PEDIATRICS}, year=2010, pages={242-245} }