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These channels also vary according to the ion ( s ) they pass, some being selective for Ca < sup > 2 +</ sup > while others are less selective, acting as cation channels.

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These channels also vary according to the ion ( s ) they pass, some being selective for Ca < sup > 2 +</ sup > while others are less selective, acting as cation channels.

Edit
Promote Demote Fragment Fix

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