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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 ...
Mounier-Kuhn syndrome (MKS), also known as tracheobronchomegaly (TBM) or tracheomegaly, is an extremely rare and chronic airway disease characterized by significant dilation of the trachea and central ...
Get Instant Summarized Text (Gist) Birds possess ancient lung proteins, CL-10 and CL-11, which compensate for the absence of surfactant protein D (SP-D) found in mammals. These proteins play a key ...