| Literature DB >> 14224513 |
P T LEVINE, M J GLIMCHER, L C BONAR.
Abstract
A tissue layer, which was continuous with the cementum covering the roots, was found external to the crown enamel of normal, unerupted permanent human teeth. Light microscopy, x-ray diffraction, and amino acid analysis indicated that the major constituent of this tissue was collagen.Entities:
Keywords: AMINO ACIDS; BICUSPID; CHEMISTRY, ANALYTICAL; CHILD; COLLAGEN; DENTAL ENAMEL PROTEINS; HISTOLOGY; X-RAY DIFFRACTION
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Year: 1964 PMID： 14224513 DOI： 10.1126/science.146.3652.1676
Source DB: PubMed Journal: Science ISSN： 0036-8075 Impact factor: 47.728