conclusions abnormal e-cadherin expression is a common phenomenon in gastric adenocarcinoma. the study showed a significant correlation between abnormal e-cadherin expression and tumor grade and regional lymph node involvement; so, abnormal e-cadherin expression may be used as a predictive factor for tumor invasiveness in gastric adenocarcinoma. materials and methods a historical cohort survey ...

background: one of the main laboratory tests for evaluation of infertility is semen analysis (sa). however additional tests may be suggested for further diagnosis of male fertility potentials. the seminal fluid contains sperms non-sperm cells and various types of lipids and glucose. objective: the objective of this cross-sectional study was to correlate the sperm parameters with concentrations ...

objective: since colposcopy biopsy test plays a significant role in the evaluation of cervix, especially in patients with an abnormal result of pap smear test, therefore, this research study was conducted to compare the results of pap smear and colposcopy directed punch biopsy tests at firoozgar and akbarabady hospitals from 2001 to 2003. materials and methods: this cross-sectional study was ca...

In real investment, there is a relationship between external financing and abnormal stock returns. This study predicts a negative correlation between external financing and stock returns. The dependent variable of the research is stock returns and the independent variables are net financing and equity ratio. Also, control variables of the research includes assets growth, company’s size and comp...