- Effects of magnesium sulfate administration during hypoxia on CaM Kinase IV and Protein Tyrosine Kinase Activities in the cerebral cortex of newborn piglets. Mami, A.G., Ballesteros, J.R., Fritz, K.I., Kubin, J., Mishra, O.P., Delivoria-Papadopoulos, M. Neurochem. Res. (2006)