title: Letter: Fainting during general anaesthesia in supine dental patients.
mesh_terms: D000766:Anesthesia, Dental / Q000009:adverse effects*; D000768:Anesthesia, General / Q000009:adverse effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D011674:Pulse; D012119:Respiration; D013575:Syncope / Q000209:etiology*