The increase in the number of traffic accidents due to increasing urban underpass tunnels necessitate a better investigation drivers’ visual characteristics when entering tunnels. A total 20 drivers were gathered perform real vehicle experiment an tunnel. saccade angle, frequency, and fixation time selected as research indexes. tunnel entrance was divided into five sections, namely external str...

Accuracy in the delivered dose to the patients plays an important and vital role in radiotherapy treatments. This happens because of steep gradient of dose-local control and dose-normal tissue complication probability curves. Dosimetric uncertainty of 3%-4% (one standard deviation) in the delivered dose to the target volume as an acceptable level has been recommended(1-3). In many centers, in v...

1603 Binaural recordings enable us to capture all sound attributes including spatial information, room effect, and source characteristics in a given environment. It has been shown that blocked-entrance binaural recordings provide advantages over open-entrance recordings, primarily because the blocked-entrance recordings are not influenced by the ear canal acoustics of the individual. However, b...

As Kirchheimer (1973) has pointed out, the unsatisfactory state of knowledge of the transmission of Hansen's disease is apparent from the disagreements about the portal of entry of Mycobacterium leprae into the human body. Weddell and his associates (1963) have cast doubt upon the bel ief in the preval ence of the dermal route of infection subscribed to by most leprologists. Furthermore, it is ...

esophagogastric varices are a frequent complication of portal hypertension. bleeding from ectopic varices of the ileum is not only life-threatening, but its accurate diagnosis is also difficult. we have presented the case of a 31-year-old man with massive hematochezia. he was a known case of non-cirrhotic portal hypertension since 15 years prior. conventional examination that included angiograp...