Parental presence and emotional state of children prior to surgery.
D000367:Age Factors; D000768:Anesthesia, General; D001007:Anxiety; D002648:Child; D002652:Child Behavior; D002673:Child, Hospitalized; D002675:Child, Preschool; D004644:Emotions; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D010287:Parent-Child Relations; D011229:Preanesthetic Medication; D011300:Preoperative Care; D002666:Psychology, Child; D012737:Sex Factors; D012890:Sleep; D013514:Surgical Procedures, Operative