one of the fundamental issues in the ethics of medical researches is cost-benefit assessment which consists a main part of related codes. this article is aimed to propose a model for ethical assessment of researches with judgment about their costs and benefits. after reviewing related materials and our experiences and discussions with experts, we proposed a model for ethical assessment of costs...

Disasters can cause many casualties and considerable destruction mainly because of ineffective preventive measures, incomplete preparedness, and weak relief logistics systems. After catastrophic events happen, quick and effective response is of great importance, so as to having an efficient logistic plan for distributing needed relief commodities efficiently and fairly among affected people. In...

collection of municipal solid waste (msw) accounts for a significant proportion of most municipal budgets, and has drawn some degree of researchers‟ interest. this study was conducted in ota, southwest nigeria, to explore the use of visual basic program as an innovative tool to select the most economic haulage system among three systems found in literature (conventional-, modified- and stationa...

obstructive sleep apnea (osa) together with metabolic disorders is common in severely obese patients. weight reduction is considered as a treatment modality in these cases while few of them can succeed in considerable weight loss. here, we present a severely obese man with body mass index of 54 suffered from osa, type 2 diabetes, hypothyroidism, and hypertension. he intentionally lost 80 kilogr...

introduction: medicine is an inseparable link of health chain; a flaw in health process for high expenditures of the medicine or inappropriate access shall certainly bring higher costs in the mentioned procedure. the present study aimed to evaluate the impact of the households’ income, geographical access, patients’ direct payment, physician's visit and insured' inpatient rate on the amount of ...

Introduction: The modeling aims to simulate or optimize a process in physical, chemical or biological environments and the derived model will provide a considerable assistance to generate data and predict unknown condition, in case of sufficient suitability. Unsuitable disposal and elimination of waste tires have polluted the environment and human life areas, it also have caused removal of a hu...