duodenal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sildenafil, the active ingredient in Viagra, may offer new hope for people living with Leigh syndrome, a rare and severe childhood disorder.

From Science Daily • Mar. 31, 2026

If consumed without proper notice, Sildenafil may react with nitrates found in other prescription drugs and "cause a significant drop in blood pressure that may be life threatening."

From Salon • Jul. 26, 2022

“Results from both Zimbabwe and South Africa correlated with those obtained from the Foods and Drugs Laboratory that indicated a positive presence of Sildenafil Citrate,” it said.

From The Guardian • Mar. 20, 2019

Despite a failure to achieve initial success, the results generated during Sildenafil experimentation were still wholly useful and applicable to several different lines of scientific work. 

From Scientific American • Dec. 4, 2013

Sildenafil was created by scientists at Pfizer's Sandwich, Kent research facility.

From BBC • Jun. 22, 2013