The significance of a human smile: observations on Bell's palsy.
National Institute of Dental and Craniofacial Research, Bethesda, Md. 20892-2290, USA.
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Slavkin
D048909:Diabetes Complications; D005154:Facial Nerve / Q000502:physiology; D005158:Facial Paralysis / Q000209:etiology / Q000628:therapy; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications; D012141:Respiratory Tract Infections / Q000150:complications; D012904:Smiling / Q000502:physiology*