erections in a sentence

Examples

1. Two men in five have problems getting an erection at age 40.
2. One of my great fears is not having an erection.
3. At the LAT Viagra makes the second paragraph, erections the 18th.
4. They would question the speed of erection and the cost.
5. The real issue is the illegal erection of a flagpole.
6. Viagra is something new : the first pill that makes erections possible.
7. Nitric oxide can initiate erection of the penis by dilating blood vessels.
8. Nitric oxide can trigger erection of the penis by dilating blood vessels.
9. An erection that lasts longer than four hours requires prompt medical attention.
10. Seven more have partial erections, not quite strong enough for intercourse.