Type 4 Waardenburg syndrome (also called Waardenburg-Shah syndrome) is characterized by symptoms of Hirschsprung's disease in addition to the classic features of hearing loss and pigmentation abnormalities.
[Effects of a vitamin B complex on functional recovery after nerve injury (author's transl)]. Hasegawa K, Mikuni N, Sakai Y. Functional recovery after nerve crushing was investigated in the following manner: Under pentobarbital anesthesia the sciatic nerve of the rat was crushed at the level of the hip (proximal crush) or the thigh (distal crush).
Vitamin B complex is comprised of eight vitamins, which include B-1, B-2, B-3, B-5, B-6, B-7, B-12 and folate, or B-9. These vitamins help your body produce the energy it needs to function better. The B vitamins assist your body in the formation of red blood cells, which supply oxygen to body tissues.