Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTooth ring analysis in mongolism.AuthorsJohnson, Norman P.; Watson, Alan O.; Massler, Maury; Johnson, N P; Watson, A O; Massier, MPublicationAustralian Dental Journal, 1965, Vol 10, Issue 4, p282ISSN0045-0421Publication typejournal articleDOI10.1111/j.1834-7819.1965.tb01642.x