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2. Prevalence of enamel hypoplasia among children who previously had suffered from gastrointestinal disease;Lindemann;Odont. Tskr.,1958
3. Thumb and finger sucking: a study of 2,650 infants and children;Traisman;J. Pediat.,1958
4. Lynch, W. The occlusal anatomy of the human deciduous molars. M.S. thesis, University of Nebraska. Unpublished.
5. Effect of premature loss of deciduous teeth on permanent dentition; a biometric evaluation;Linder-Aronson;Svensk. Tandlak. Tsk.,1958