like bodily, physiological, and psychological skills which are commonly assessed in professional sport, assessment of visual skills is also of high importance. in this regard, and in order to organize teams efficiently, the skills of each player, considering his/her post in the pitch, should be developed for superiority over the opponent. the present study attempts to clarify if there is a mean...

the aim of this study was to compare the level of agreement between four operators with different levels of experience for two methods of detecting secondary enamel and dentin carious lesions in composite restored teeth.sixty teeth of 40 patients with with secondary carious lesions in the composite resin were selected. the teeth were examined by two methods; visual inspection and a laser fluore...

retinoblastoma is a retinal malignant tumor that occurs in early childhood. the annual incidence of retinoblastoma is approximately one per 14 000 live births. 250 to 300 new cases are reported in the united states each year. it develops due to inactivation of both alleles of the retinoblastoma susceptibility (rb1) gene. all hereditary cases (55%) are with bilateral and multifocal lesions, but ...