IN contrast to its relaxing action on most skeletal muscles, succinylcholine is well known to contract extra-ocular muscles1–3. While examining the effects of drugs on the extra-ocular muscles, it was observed that succinylcholine exerted two basically different effects on the extra-ocular muscles.
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EAKINS, K., KATZ, R. Response of the Medial Rectus Muscle of the Cat to Succinylcholine. Nature 207, 1398 (1965). https://doi.org/10.1038/2071398a0
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