A single pill wouldn't have mattered - that's the way they were to be taken.

Gilead executives said they hoped to market the two drugs together and to combine them into a single pill.

He sat up and rummaged in his bag, came up with a single white pill.

But what if a single pill could protect against both?

Combining antibiotics into a single pill makes it less likely that you will miss taking any doses.

The treatment has an extremely high street value of a dollar a milligram; a single 40-milligram pill would cost $40.

Many of the medicines have been combined so that patients can take two drugs in a single pill.

The elixir in the form of a single pill was almost ready when Chang'e came upon it.

A single pill may also mean a single insurance co-payment, he said, instead of two or three now that can cost people $100 a month.

Upon this I placed a single scarlet pill and closed the lid.