%31949 0 Creatine_metabolism 1 Language_Development_Disorders 1--0 2 Movement_Disorders 2--0 3 Mucopolysaccharidosis_VI 3--0 4 Psychomotor_Disorders 4--0 5 Solitary_Pulmonary_Nodule 5--0 6 Speech_Disorders 6--0 7 Syndrome 7--0