the possible relationships between trace elements, oxidative stress and subclinical ketosis during the transition period were evaluated in dairy cows. blood samples were obtained by jugular venipuncture at four times of the transition period: 3 weeks and 1 week before and 1 week and 3 weeks after calving. the highest concentrations of malondialdehyde (mda) and betahydroxybutyrate (bhb) were obs...

the aim of this study was to investigate the relationship between job stress with personality characteristics and organizational commitment. this study is descriptive and correlational. the study population comprised all nurses in 13-aban hospital of ghods city. the sample group consisted of 120 nurses who were selected through convenience sampling. research instruments were hse job stress ques...

background premenstrual syndrome (pms) is a group of disorders that many girls and women suffer from. it is well known that an appropriate diet as well as environmental factors plays a major role in quality of life. objectives this study evaluates food patterns for university student girls who suffer from pms and are healthy. materials and methods eighty-six university student girls from ahvaz ...

introduction: the aim of this study was to evaluate the effect of sperm protamine deficiency on fertilization and embryo development post icsi. material and methods: semen samples from 27 patients candidate for icsi were assessed for semen parameters. sperm processing was carried out using pure sperm and percentage of protamine deficient sperm was assessed by chromomycin a3 post processing. cor...

background: it is established that sperm dna integrity is essential in fertilization and normal embryo and fetal development. routine semen analysis gives an approximate evaluation of the functional competence of spermatozoa, but does not always reflect the quality of sperm dna. therefore, the evaluation of sperm dna integrity, in addition to routine sperm parameters, could add further informat...

quantitative serum level measurements of gc , cp , c3 , igg , iga and 1gm were carried out on 102 patients with esophageal carcinoma following laryngectomy, in comparison with 66 healthy individuals as controls, in gonbad area, north east of iran. the procedure of radioinimuno-diffusion by standard m partigen plates was used for the measurements. a significant decrease was observed in gc level ...