Letter: Procaine and malignant hyperthermia.
D000818:Animals; D002110:Caffeine / Q000009:adverse effects / Q000037:antagonists & inhibitors; D004347:Drug Interactions; D006168:Guinea Pigs; D006221:Halothane / Q000009:adverse effects; D008305:Malignant Hyperthermia / Q000097:blood / Q000188:drug therapy*; D009127:Muscle Rigidity / Q000139:chemically induced; D009132:Muscles / Q000187:drug effects; D011343:Procaine / Q000097:blood / Q000494:pharmacology / Q000627:therapeutic use*
D002110:Caffeine; D011343:Procaine; D006221:Halothane