[[Something opens a door, revealing a wall with a scientific poster.]]

[[Something turns and looks down the long corridor, which ends in a T-junction.]]

[[Something turns back to the poster.  Part of a title is visible: "Purification of a Plasma-", and part of the list of authors: "Joel Bryant, Sara Lee, Leonard"]]
[[There is a creaking sound.]]

[[At the end of the corridor, a cart wheels into view.]]

[[The cart is filled with vials of blood.  Something is interested.]]

[[The cart creaks past the junction, pushed by a man in a lab coat.]]