The drug simply blocks the ability of the virus to multiply.

The drugs in her blood blocked coherent speech; she said only his name.

The drug I had taken blocked most of the pain, but not all of it.

"Without the drug blocking their psi, we couldn't keep them in detention."

Many pharmaceutical companies are trying to develop drugs to block the receptor, he added.

The drugs may block the production of substances that are needed by the kidney.

The drugs initially blocked his ability to work hard.

Both drugs can block estrogen, which often promotes breast cancer growth.

Their goal now is to design drugs to block these molecules and prevent the diseases.

These drugs block certain proteins in the body that cause inflammation.