purpose: primary acquired nasolacrimal duct obstruction (pando) is an acquired disease characterized by persistent symptoms such as tearing, mucus secretion, recurrent conjunctivitis and eye irritations. different etiologies such as conjunctival infections, and nasal and sinus diseases have been proposed. pathological studies have revealed inflammation, vascular congestion and edema in the earl...

background naming is a simple and basic skill of the language which involves semantic, lexical, and phonological levels. there are many different factors affecting the speed and convenience of naming. one of these factors is the word age of acquisition (aoa) and since language processing occurs at an extremely fast rate, psycholinguistics needs a method that has very good temporal resolution. t...

background and objectives: the aim of the study was to determine the role and characteristics of nosocomial and community acquired staphylococcus sepsis in admitted children in tertiary centers in iran. patients and methods: a cross sectional descriptive-analytic study was performed since march 2008 to march 2009 in which all blood cultures from various admitted patients were checked for staphy...

background: predicting life expectancy is an important component of public health, in that, it may affect policy making in fields such as social security and medical care., to estimate the life expectancy and the average years of life lost (ayll) of the human immunodeficiency virus (hiv)/acquired immunodeficiency syndrome (aids)-infected population, compared with that of the general population,...

abstract application of chemicals which activate plant defense mechanisms before pathogen attack without environmental side effects of protective chemical agents have stimulated great deal of researches in this area. one of the important crops in the world is tomato and recently recognized as a model plant for plant-pathogen interactions. tomato early blight is one of the most devastating disea...

the relation between ethics and human good and evil attributes and his nature is among the age-old discourses in the field of practical philosophy (wisdom). since long ago, it has been of concern to the learned and the philosophers as to whether all ethics or a part of it in all human beings or in some of them is optional and acquired or non-optional, unacquirable, and unchangeable. this writin...

Background & Aims: Prevalence of community and hospital acquired methicillin-resistant Staphylococcus aureus (MRSA) infection is increasing. The primary reservoir is the anterior nares; and nasal carriage is a risk factor for infection in a variety of populations. Infection due to hospital-acquired colonization is different from community acquired in clinical manifestations and antibiotics susc...

keratoderma is a group of disorders characterized by abnormal thickening of skin. acquired palmar keratoderma has many underlying causes. the association of thyroid disease and palmar keratoderma rarely reported. hypothyroidism, although very rare association, must be suspected in patients with acquired ppk, particularly when it occurs in setting of systemic symptoms or predisposing conditions....