Thirteen patients with upper extremity symptoms that were claimed to have occurred in the course of employment were evaluated to determine the role of videotapes in their evaluation and management. Videotapes were of two types: work demonstration by patient or coworker (8 tapes) and surveillance tapes obtained by a private investigator (5 tapes). Four of eight work station videotapes demonstrat...

in this paper‎, ‎we define two $n$-square upper hessenberg matrices one of which corresponds to the adjacency matrix of a directed pseudo graph‎. ‎we investigate relations between permanents and determinants of these upper hessenberg matrices‎, ‎and sum formulas of the well-known pell and jacobsthal sequences‎. ‎finally‎, ‎we present two maple 13 procedures in order to calculate permanents of t...

Abstract: COVID-19 has imposed an unusual effect on all aspects of medicine. Many elective measures have been canceled and medical facilities are reserved for this critical situation. Although a comprehensive approach is needed in entire fields of medicine to prevent spreading of corona virus and to protect the life of health care providers and patients, decreasing disabilities in orthopedic pa...

Upper airway measurements in nine infants considered to be at risk of upper airway insufficiency, six of whom presented after an apnoeic episode, were compared with measurements taken in two age groups of healthy infants. Paired, inspiratory and expiratory, lateral upper airway radiographs were obtained while the infants were awake and breathing quietly. The radiographs of all nine infants demo...