[Cameron walks in, she's in scrubs.]
Cameron: Wegener's would have responded to the steroids.
Chase: Maybe you should go home, take the rest of the day. [He puts a hand on her shoulder, she shrugs it off.]
Cameron: I'm fine.
[House looks at them speculatively.]
House: Oh this is good, he's pretending to care, you're pretending not to.
Cameron: I think we should reconsider drugs. Kalvin uses crystal meth.
House: Concerned enough about his health to stalk me while indulging in deadly street drugs. [Takes a vicodin.] Study in contradictions. Interesting. Still not medically relevant.
Cameron: It could be, if his drugs were tainted. They cook meth with battery acid, lye, lantern fuel...
House: Find Kalvin's pills, test for toxins.