1.   But now two less invasive treatments for impotence are being tested in clinical trials.

2.   For Boston Scientific, the acquisition would round out a selection of devices aimed at the less invasive treatment of cardiovascular disease.

3.   His urologist recommended surgery, but DeArkland opted for less invasive alternative treatments, taking herbs and large doses of vitamins.

4.   When she heard about a new minimally invasive treatment, she decided to try it.

5.   The panel cautioned that even small stones, if they cause unusual pain or a blockage, may require more invasive treatment.