myasthenic syndrome, congenital, 7B, presynaptic, autosomal recessive
myasthenic syndrome, congenital, 7b, presynaptic, autosomal recessive
myasthenic syndrome, congenital, 7B, presynaptic, autosomal recessive
myasthenic syndrome, congenital, 7b, presynaptic, autosomal recessive