title: [Rigid knee in children. Retraction of the quadriceps due to intramuscular injections].
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007273:Injections, Intramuscular / Q000009:adverse effects*; D007592:Joint Diseases / Q000209:etiology; D007719:Knee Joint; D008297:Male; D009119:Muscle Contraction; D009135:Muscular Diseases / Q000209:etiology* / Q000601:surgery
vernacular_title: ginocchio rigido dell'infanzia. Retrazione del quadricipite da iniezioni intramuscolari.