She had decent blood serum.

Blood clotting serum.

- I've been thinking about a blood serum test.

- I've been thinking about a blood serum test. - What's that?

I've been thinkin' about a blood serum test. What's that?

Uh, blood serum contains... 10 milligrams per 100 milliliters.

Parties will be free to provide data on maternal or other human blood serum.

Comparably high concentrations were detected in human blood serum samples from Romania.

Well, yeah, possibly. I've been thinking about a blood serum test.

(b) Air monitoring and human exposure through human breast milk or blood serum would be used as core data;