Shifting Equilibrium
| Image |  |
|---|---|
| Description | episode of ER (S15 E20) |
| Author/s |
screenwriter: Lisa Zwerling director: Andrew Bernstein |
| Publication date | March 19, 2009 |
| Language | |
| Country of origin | United States of America |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |