National Heart, Lung, and Blood Institute: R01HL134985 (Dr Diaz), R01HL128497 (Dr Edmondson), and R01 HL123368 (Dr Kronish). The funding organizations had no role in the design and conduct of the ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

It's a win-win, and it's why everything on iStock is only available royalty-free — including all Abstract images and footage. What kinds of royalty-free files are available on iStock? How can you use ...