Expanding Retractor For Minimally Invasive Neurosurgery • Video • MEDtube.net

Entering the "Redo" Abdomen & Setting-up the Thompson Retractor - Houston Methodist Hospital

Jet Chuh on Instagram: ""Let's understand the excavator arm retraction​ process in one go! When you operate the arm retraction lever: 1️⃣ Pilot pressure​ acts on the main control valve​ – specifically on the spring side of Arm Spool 1​ and the non-spring side of Arm Spool 2, as well as the control port of the Arm Hold Valve. 2️⃣ The arm spools shift​ under pilot pressure. 3️⃣ High-pressure oil​ flows sequentially through the load check valve​ and the arm spools. 4️⃣ Return oil​ passes through th

Understanding Scientific Retractions With Ivan Oransky, Co-Founder of Retraction Watch

Consider This: Journal Retractions (Part 2) - What the High Retraction Rate Reveals

A Sharp Rise in Retractions Prompts Calls for Reform