Myofascial pain in childhood.
D004194:Disease; D005018:Ethyl Chloride / Q000627:therapeutic use*; D006801:Humans; D009132:Muscles; D009135:Muscular Diseases; D010146:Pain; D011343:Procaine / Q000627:therapeutic use*
D005018:Ethyl Chloride; D011343:Procaine
ETHYL CHLORIDE/therapeutic use; MUSCLES/diseases; PROCAINE/therapeutic use