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Family pedigrees.
(A) CMT1A family; (B) HNPP family.
↗: Proband; ▪: male patient; ●: female patient; □: normal male; ○: normal female; 
: deceased male; ∅: deceased female.
CMT1: Charcot-Marie-Tooth disease myelin sheath type; HNPP: hereditary neuropathy with liability to pressure palsies.
