title: A comparison of maximum perioral muscle forces in North American blacks and whites.
mesh_terms: D000293:Adolescent; D044383:Black People; D002508:Cephalometry / Q000379:methods; D002648:Child; D003766:Dental Occlusion / Q000145:classification*; D005145:Face / Q000033:anatomy & histology / Q000502:physiology; D005152:Facial Muscles / Q000033:anatomy & histology* / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D009656:North America; D044465:White People