Sawyer, D R The frequency of accessory mental foramina in four ethnic groups. [electronic resource] - Archives of oral biology May 1998 - 417-20 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0003-9969 Standard No.: 10.1016/s0003-9969(98)00012-0 doi Subjects--Topical Terms: Black PeopleBody Constitution--ethnologyChin--anatomy & histologyFemaleHumansIndia--ethnologyIndians, South AmericanMaleMandible--anatomy & histologyPaleontologyRacial GroupsSex FactorsWhite PeopleBlack or African American