When Shirley heard Carter asking reprovingly, a tinge of temper in his tone, she slowly laid down the anti-toxoid test reagent and steered her wheelchair toward the washbasin.

Minding her own business, she washed her hands, then donned a mask and a pair of gloves, and finally returned to the laboratory table before responding to Carter nonchalantly.

"Mr. Gray, I'd like to start working now. Please leave."

Shirley's indifference upset Carter greatly. However, at the thought of the developmen