A simple method of inducing young children to breathe forcefully during fluoroscopic procedures.
D000367:Age Factors; D002648:Child; D003964:Diaphragm / Q000000981:diagnostic imaging*; D005471:Fluoroscopy / Q000379:methods*; D006801:Humans; D008722:Methods; D012119:Respiration; D013679:Technology, Radiologic