All of the following are autoimmune disease except?
Robbins basic pathology 6th edition. Chapter Red cells and bleeding disorders. page no. 611.. sickle cell disease is a hereditary hemoglobinopathy, occuring due to mutation in beta globin chain. while all others are autoimmne diseases. so, answer is option 4.
SLE
Grave's disease
Myasthenia gravis
Sickle cell disease
General pathology