- The frequency of patients with 50-kd dystrophin-associated glycoprotein (50DAG or adhalin) deficiency in a muscular dystrophy patient population in Japan: immunocytochemical analysis of 50DAG, 43DAG, dystrophin, and utrophin. Hayashi, Y.K., Mizuno, Y., Yoshida, M., Nonaka, I., Ozawa, E., Arahata, K. Neurology (1995)