1. Semiquantitative studies of in vitro caries by microhardness;Caldwell;J. dent. Res.,1958
2. Microdetermination of phosphorus;Chen;Analyt. Chem.,1956
3. Biochemistry of the sheath spaces in caries;Collidge;Ann. N.Y. Acad. Sci.,1965
4. Studies of the early lesion of enamel caries, its nature, points of entry, modes of spread;Darling;Br. dent. J.,1958
5. Ultrastructure of enamel in relation to mineralization, demineralization, and remineralization as revealed by microradiography, polarized light and plane light microscopy;Darling;Int. dent. J.,1967