| http://www.w3.org/ns/prov#value | - After the patient took a deep breath choked air, and forced to do call air movement (abdominal strength muster, but do not exhale the air), and then continued more than 10 seconds the gas exhaled, this method can be repeated many times. (2) with a cotton swab or spatula, chopsticks and other things to stimulate the palate or posterior pharyngeal wall hanging, patients with nausea or vomiting induc
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