Clinical information is often necessary to come to a correct diagnosis or an apt differential.
It's easy, and often necessary, to defend the BBC.
Where privacy and confidentiality are involved, a degree of secrecy is often necessary to do justice.
Some shallow groundwaters are artesian, but it is often necessary to use water-lifting devices.
Yes, a restrained drizzle was often necessary to offset the lemon or lime in the shaker.
Constant one-on-one nursing care is often necessary to provide the required pulmonary treatment.
When instruments are made, it is often necessary to determine precise pitches.
"It is often necessary to rip up the quarry tile to locate where the water is getting in".
To ensure a reptile's health, it is often necessary to provide heat lamps and a heating pad.
The explanatory labels that are so commonly part of illustrational exhibitions are often necessary to make the point.
Here at Pérola Byington Hospital, doctors said abortions were often necessary to protect the lives of sexual-violence victims.
