preferred_name: Muscular weakness, improving in infancy (Medical Research Council muscle score of 3 to 4)
preferred_name_lc: muscular weakness, improving in infancy (medical research council muscle score of 3 to 4)
label: Muscular weakness, improving in infancy (Medical Research Council muscle score of 3 to 4)
label_lc: muscular weakness, improving in infancy (medical research council muscle score of 3 to 4)