EBMcalc: Nursing This link opens in a new windowLogin Directions: You will be directed to TDS Health login. DO NOT enter a User name or Password here. Instead, under the Log in button, click Athens Login. You will be taken to the OpenAthens login screen. Under "Find your institution," select/type in South College. Next, sign in with your Canvas username & password. If you are a student, be sure to choose Student Ldap from the drop down menu. Click sign in. This will take you to the TDS Health homepage. Here, choose the EBMcalc box. Nursing resources can be found under the tab "Specialties" and then "Nursing."