From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

We included retrospective and prospective studies published in full and reporting original data on symptomatic thromboembolic events (clinical ischemic stroke or transient ischemic attacks) in ...

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Biological techniques are methods or procedures that are used to study living things. They include experimental and computational methods, approaches, protocols and tools for biological research.