The small shirt doesn't fit me, so I'll buy the medium size.

Pr ) ELISA was performed by using streptavidin-coated and blocked wells that had been incubated for 1 h with biotinylated antihepcidin capture antibody (2 mg/L).

In fact, before the age of six, talented girls and boys are chessically indistinguishable. But something happens at six...

If you're a man, you can go ahead and pet sit in this situation!