background: human error is the most important cause of occupational and non-occupational accidents. because, it seems necessary to identify, predict and analyze human errors, and also offer appropriate control strategies to reduce errors which cause adverse consequences, the present study was carried out with the aim of identifying human errors while operating meat grinder and offer suggestions...

conclusions our study shows that prevalence of hpv infection in cervical biopsy samples collected from suspected patients in khouzestan province is slightly higher than other provinces of iran. since hpv cervical infection, is an indicator for the host cervical cancer progression, parallel with pap smear test, pcr detection of hpv dna in biopsy of suspected cases is recommended. results out of ...

background: toxoplasma gondii is an intracellular protozoan parasite that infects human and animals. toxoplasma parasites are isolated from different parts of ani-mals even from semen but there are little information about the effect of toxo-plasmosis on fertility in animals and humans. in present study, the effect of chronic toxoplasmosis on serum levels of testosterone in men was studied. met...

background: this study aimed to investigate the epidemiological and clinical aspects of patients with hydatid cyst during 2011 to 2014. methods : this cross-sectional study was conducted in khorasan razavi province, the northeast of iran, from 2011 to 2014. the study population was all cases with hydatid cyst who diagnosed in governmental and private laboratories, hospitals and health centers (...

The Knowledge of variations in the lung can help surgeons to control bleeding during pulmonary lobectomy or might be used to reduce post-operative complications. Due to the importance of the knowledge of variations in lungs for clinicians, especially surgeons and radiologists, we report a case with lung lobe and fissure. During the autopsy of a 27-year-old man at the Legal Medicine Organizatio...

the goal of human development as can be understood by concept is to benefit every person in his / her life. it means improvement in living quality & standards. while the extension of employment and increasing of income are necessary , they are not the goals of development, but means to extend human development. the goal of development is to grow and extend of human abilities. human development ...