THE SEMISITTING POSITION FOR BLOOD CONSERVATION IN HEAD AND NECK SURGERY.
D001810:Blood Volume; D006257:Head; D006801:Humans; D009333:Neck; D009493:Neurosurgery; D019635:Neurosurgical Procedures; D013514:Surgical Procedures, Operative
BLOOD VOLUME; HEAD; NECK; NEUROSURGERY; SURGERY, OPERATIVE