The ideal conduit for reconstruction of the right ventricular outflow tract in pediatric patients remains a topic discussion. We present technique construction handmade tricuspid valved polytetrafluoroethylene use all ages requiring at time congenital cardiac surgery. This provides an economically advantageous and readily available option globally when compared with homograft, without sacrifici...

Phonosurgery is defined as 'surgery specifically designed to alter the voice' (Von Leden, 1991). It can be divided into four categories: (1) Vocal fold surgery; (2) Laryngeal framework surgery; (3) Neurolaryngeal surgery; (4) Post-laryngectomy voice rehabilitation. All the above procedures require a knowledge of the anatomy and the physiology of the vocal folds. It is important to preserve the ...

The time course ofcadmim uptake by the roots of intact tomato plats (Lycoperskba escuaetum MDL) was measured In a nutrient solutin with a micromolar cadmium concentration untfl all cadmium In the medim was exhausted. Exhaustion taking a few hours, cadmium was repeatedl added to the nutrient solution. Tle initial rate of cadmium uptake was computed for each cadmium addition. This rate sharply in...