Assessment of the 50-kda dystrophin-associated glycoprotein in brazilian patients with severe childhood autosomal recessive muscular dystrophy - Zatz, Mayana; Matsumura, K; Vainzof, Mariz; Passos-Bueno, Maria Rita; Pavanello, R C M; Marie, Suely Kazue Nagahashi; Campbell, K P (Journal of the Neurological Sciences, 1994)