at an outside hospital vs at an external institution

Some examples from the web:

• At an outside hospital, a 63-year-old man with severe. COPD and a lung mass underwent a left upper lobectomy complicated by both a persistent air leak.
• She had been seen at an outside hospital, where the swelling had been aspirated on two different occasions, only to recur within a day both times.
• Jun 20, 2013 ... I've had cases where even after discussion with the consulting physician at an outside hospital and having seen the films and described in no ...
• Patients were included in this study if they had been transferred to the university hospital after evaluation at an outside hospital. The registry variables that were ...

Some examples from the web:

• The UUIRB may review and issue approval or exemption of research conducted at an external institution if there is no other IRB of record for the external site.
• Jul 17, 2015 ... UGA IRB has the responsibility to ensure that the research conducted at an external institution receives appropriate approval and oversight, ...
• REQUEST TO WRITE A CONCORDIA UNIVERSITY EXAM. AT AN EXTERNAL INSTITUTION. Office of the Registrar. 30. Family Name. (PLEASE PRINT).
• However, you may request to write your exam at an external institution if you are faced with unforeseeable events beyond your control that make it impossible for ...