Semi-rigid plates have been constructed from epoxy resin reinforced with carbon fibre. These have been used in animal trials and also for internal fixation of 20 fractures of the human tibia. The results are generally very satisfactory, and support the view that semi-rigid fixation is not only desirable theoretically, but also works in practice. However, the results are from preliminary trials ...

We have reviewed 22 patients with scaphoid fractures treated by internal fixation with the Herbert screw. Three patients had trans-scaphoid perilunar dislocations, one had an oblique displaced fracture of the waist of the scaphoid and 18 had fractures with delayed or non-union. Corticocancellous bone grafts were added in nine of the cases of non-union. Results were excellent or good in 80% of c...

BACKGROUND Research suggests that fixation disparity data are extremely useful in the assessment of the binocular and accommodative systems. OBJECTIVES The purpose of this study was to evaluate fixation disparity curve (FDC) parameters with a modified near Mallett unit in symptomatic and asymptomatic students of Paramedical Sciences School of Mashhad University of Medical Sciences in 2007. ...

OBJECTIVE The objective of this retrospective analysis was to study the etiology, distribution, treatment modalities and complications of mandibular fractures of patients who attended the Maxillo-Facial and Oral Surgery (MFOS) unit at the School of Dentistry, University of Pretoria. METHOD The records of a representative sample of patients who presented at the MFOS unit with mandibular fractu...

Radiation exposure to the surgeon and patient was measured in 14 patients during internal fixation of trochanteric fractures of the femur. Dosimetry studies were also done to determine the directions of maximum scatter production. The results indicated that the standard lead apron suffices for adequate gonadal and bone marrow shielding but the surgeon is still exposed to significant radiation l...

OBJECTIVES The aim of this study is to compare two methods of internal fixations of fractured medial malleolus which are simple screw fixation and tension band wiring. PATIENTS AND METHODS Over 5 years we grouped 20 patients with fractured medial malleolus into two groups of operative treatments, group1 treated by malleolar screw fixation and group2 by tension band wiring. The patients were w...

Retraction The Publisher and Editor regretfully retract this article [1] because the peer-review process was inappropriately influenced and compromised. As a result, the scientific integrity of the article cannot be guaranteed. A systematic and detailed investigation suggests that a third party was involved in supplying fabricated details of potential peer reviewers for a large number of manusc...

We describe the effect of behavioral state upon the excitability of light-sensitive (Ls) neurons of the inferior parietal lobule, area 7a, studied in waking monkeys. The responses of parietal LS neurons to visual stimuli are facilitated during the state of attentive fixation of a target light as compared to their responses to physically and retinotopically identical test stimuli delivered durin...

of the relatively small number of substrates that can feed into the oxidative pentose phosphate cycle, is the most probable explanation for the widespread occurrence of obligate photoautotrophy among cyanobacteria. However, certain cyanobacteria that are facultative photoheterotrophs, able to grow'in the light in the presence of 3-(3,4dichloropheny1)-1 ,I-dimethylurea at the expense of glucose,...

The lead salt method introduced by Wachstein and Meisel (12) for the cytochemical demonstration of ATPase activity was modified and used to determine sites of activity on red cell ghost membranes. Preliminary studies showed that aldehyde fixation and standard concentrations of the capture reagent Pb(NO(3))(2) resulted in marked inhibition of the ATPase activity of these membranes. By lowering t...