The retired doctor led his friend out of the stadium.

The doctor led him through silent metal corridors to a room.

Then a doctor showed up and led them to a small waiting area.

The doctor led him tactfully out into the hall when she began to nod off.

The doctor opened the door and led the way down the stairs.

The doctor looked puzzled, but led on to the monitoring room.

The doctor led the way down the hall and through the intensive-care-unit doors.

Public health officials and military doctors lead the war against gonorrhea.

The doctor said it would never get better by itself and could lead to arthritis.

The doctor led the two men out of the small private room and into an office next door.