neurokinin 1 receptors (nk1r) are overexpressed on several types of important human cancer cells. substance p (sp) is the most specific endogenous ligand known for nk1rs. accordingly, a new sp analogue was synthesized and evaluated for detection of nk1r positive tumors. [6-hydrazinopyridine-3-carboxylic acid (hynic)-tyr8-met(o)11-sp] was synthesized and radiolabeled with 99mtc using ethylenedia...

background anxiety is an unpleasant experience that may have adverse effects on the process of anesthesia, cesarean delivery, recovery period and postoperative pain. anxiety can also affect maternal satisfaction of the medical cares that provided by the medical team. objectives to compare the effects of inhalational 50% nitrous oxide (n2o) with oxygen on reducing anxiety and pain in parturients...

background preference weights for eq-5d-3l based on visual analogue scale (vas) has recently been developed in iran. the aim of the current study was to compare performance of this value set against the uk vas-based value set.   methods the mean scores for all possible 243 health states were compared using student t test. absolute agreement and consistency were investigated using concordance co...

background in many industries, noise is attributed as the most prevalent harmful agent threatening workers' health. geographic information system (gis) is an applicable surveying tool in civil engineering. but, the use of gis for noise and hearing loss screening seems to be partly a new approach. objectives this study aimed to apply gis in noise and hearing loss screening in the production hall...