Calcium, magnesium, and local anesthesia.
D001692:Biological Transport / Q000187:drug effects*; D002118:Calcium / Q000378:metabolism*; D008274:Magnesium / Q000494:pharmacology*; D010714:Phosphatidylethanolamines / Q000494:pharmacology*; D011343:Procaine / Q000494:pharmacology*; D013748:Tetracaine
D010714:Phosphatidylethanolamines; D013748:Tetracaine; D011343:Procaine; D008274:Magnesium; D002118:Calcium