Original Research Article
Comparison of Catheter Functionality and Post-Procedural Consequences in Vascular Access Through Saphenofemoral Cutdown and Percutaneus Jugu-lar Vein Catheterization among Children and Neonates
Comparison of Catheter Functionality and Post-Procedural Consequences in Vascular Access Through Saphenofemoral Cutdown and Percutaneus Jugu-lar Vein Catheterization among Children and Neonates

Hossein Najdsepas; Nahid Rahimzadeh; Masoud haghighikian; Mahyar Maddahali; Maryam Milani Fard

Volume 2, Issue 3 , July 2022, Pages 176-184

https://doi.org/10.22034/EJST.2022.2.6

Abstract
  Background: Achievement of a vascular access in pediatric patients is a very difficult, time-consuming, and boring process. The present study aimed to evaluate the patency of the two ...  Read More
Review Article
Assessed the Complication of Central Nervous System in COVID‐19 Patients: A Systematic Review and Meta‐Analysis
Assessed the Complication of Central Nervous System in COVID‐19 Patients: A Systematic Review and Meta‐Analysis

Saeed Saedi; Atefeh Saedi; Mohammad Mehdi Ghaemi; Maryam Milani Fard

Volume 2, Issue 3 , July 2022, Pages 185-196

https://doi.org/10.22034/EJST.2022.2.7

Abstract
  all evidence suggests the existence of neurological involvement in COVID-19, the existence of comprehensive studies such as systematic and meta-analysis can be a good guide for scientists. ...  Read More
Original Research Article
Concept of Organizational Knowledge in Industrial and Commercial Companies
Concept of Organizational Knowledge in Industrial and Commercial Companies

Mohadeseh Aliakbari

Volume 2, Issue 3 , July 2022, Pages 197-210

https://doi.org/10.22034/EJST.2022.2.8

Abstract
  This study examines the definition of organizational knowledge in industrial and commercial companies. Knowledge in an organization is knowing the reality or situation of something, ...  Read More
Original Research Article
Schizophrenia: Mechanisms and Neurotransmitters
Schizophrenia: Mechanisms and Neurotransmitters

Ali Rezaei

Volume 2, Issue 3 , July 2022, Pages 211-223

https://doi.org/10.22034/EJST.2022.2.9

Abstract
  Schizophrenia has existed throughout history, as ancient Greek physicians have described it with different symptoms, but it was not seriously studied until the second half of the nineteenth ...  Read More
Original Research Article
A Review of Epidemiological Study of Covid-19 and Risk Factors
A Review of Epidemiological Study of Covid-19 and Risk Factors

Atefeh Saedi; Saeed Saedi; Mohammad Mehdi Ghaemi; Maryam Milani Fard

Volume 2, Issue 3 , July 2022, Pages 224-232

https://doi.org/10.22034/EJST.2022.2.10

Abstract
  At the end of 2019, several cases of pneumonia of unknown cause appeared in Wuhan, Hubei Province, China, which quickly spread to other provinces. China In the early stages, it was ...  Read More
Original Research Article
Pidemiological Study of Breast Cancer in Iran, a Review Study
Pidemiological Study of Breast Cancer in Iran, a Review Study

Saeed Saedi; Atefeh Saedi; Mohammad Mehdi Ghaemi; Maryam Milani Fard

Volume 2, Issue 3 , July 2022, Pages 233-241

https://doi.org/10.22034/EJST.2022.3.1

Abstract
  Introduction: Breast cancer is the most common type of malignancy and the most important cause of cancer death in women all over the world. Breast cancer in Iran accounts for 16% of ...  Read More