Cornelia Daniela Călina

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INTRODUCTION Intratumoral heterogeneity implies the existence of differences between tumor cells, which can best be shown by histochemical and immunohistochemical techniques. The histological study is a mandatory step in any research aimed at characterizing tumor heterogeneity. Immunohistochemistry (IHC) also plays an important role in the differentiation(More)
The problem of the 6 year molar tooth edentation has been approached from an unilateral point of view. The present paper deals with the complex factors that contribute to the onset and evolution of the 6 year molar tooth edentation. The group studied included 2000 subjects making it possible to establish the frequency of the affection in terms of age,(More)
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