MCQ
Which of the following is an autoimmune disorder?
- ✓Myasthenia gravis
- BOsteoporosis
- CMuscular dystrophy
- DGout
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$CO _{2}+ H _{2} O \stackrel {A} {\rightleftharpoons} H _{2} CO _{3} \stackrel {B} {\rightleftharpoons} \rightleftharpoons HCO _{3}^{-}+ H ^{+}$