Background: Multiple sclerosis (MS) is a chronic inflammatory and demyelinating disease of the central nervous system, which is accompanied by significant disabilities. Although there are some published data regarding the epidemiological features of MS in other parts of Iran, scarce data are available about the prevalence and demographic characteristics of MS in Fars province. The current study...

intercropping systems lead to reduce weeds population and their biomass. in order to study effect of marigold (calendula officinalis) and mungbean (vigna radiata) intercropping in different sowing times on yield and weeds control a factorial experiment based on randomized complete block design was performed in islamic azad university, tabriz branch, iran, during 2012 in three replications. stud...

the stoichiometric parameter namely “yield coefficient” associated with growth of certain organism can be determined by direct measurement and/or calculated indirectly. the focus of this paper was on the anoxic yield of heterotrophic organisms using ethanol as an external carbon source during the denitrification process. in the literature, it was observed that yield coefficients can vary for th...

STUDY DESIGN Epidemiological study. OBJECTIVE To investigate the incidence and risk factors for developing low back pain in active duty military population to include age, sex, race, and rank, and military service. SUMMARY OF BACKGROUND DATA Low back pain is among the most common musculoskeletal conditions worldwide and is estimated to affect nearly two-thirds of the US population at some p...

AIM To determine if hospital admission rates for diabetes complications (acute complications, chronic complications, no complications and hypoglycaemia) were associated with primary care diabetes management. METHODS We performed an observational study in the population in England during the period 2004-2009 (54 741 278 people registered with 8140 general practices). We used multivariable nega...

BACKGROUND The risk of Kaposi's sarcoma and non-Hodgkin's lymphoma is increased in people infected with the human immunodeficiency virus-1 (HIV). Highly active antiretroviral therapy (HAART) has been widely used by HIV-infected people in North America, Europe, and Australia since about 1997. Acquired immunodeficiency syndrome (AIDS) incidence and mortality rates have fallen markedly in associat...

background: tuberculosis (tb) is a pandemic disease. it is the second leading cause of death from infectious diseases after human immunodeficiency virus (hiv) in the world . the main objective of this paper was to determine and compare the epidemiology of tb incidence rate and its trend changes during 1990-2010 in six who regions regarding age, gender and income levels. methods: the average ann...

this study has been conducted on the path reports of diagnostic curettage carried out in mirza koochek-khan hospital during the 6 months of the year 1989 (april to september). the reports examined have been further classified into incompelete abortion, diagnostic currettage and others. a total number of 645 women have had d&c; according to the above criteria. in this period of time, incomplete ...

background: in iran colorectal cancer (crc) incidence varies among various places. but we do not have any validate data that deeply explored the difference of crc in kerman province by national average. the aim of this study was to evaluate the incidence of colon cancer within a 12-year period in kerman province and to find whether the incidence of crc in kerman compared with the total incidenc...