1. Tooth size and occlusion in twins;Lundström,1948
2. The significance of genetic and nongenetic factors in the profile of the facial skeleton;Lundström;Am. J. Orthod.,1955
3. Intrinsic or hereditary factors versus extrinsic or environmental factors in the determination of tooth and oral peculiarities;Detlefsen;J. Dent. Res.,1928
4. A comparison of the degree of resemblance in dental characters shown in pairs of twins of identical and fraternal types;Bachrach;Dent. Cosmos,1928
5. A comparison of the degree of resemblance in dental characters shown in pairs of twins of identical and fraternal types;Bachrach;Br. Dent. J.,1927