The third heart sound (S3), also known as the "ventricular gallop," occurs just after S2 when the mitral valve opens allowing passive filling of the left ventricle. The S3 sound is actually produced ...
Samsung's lifted the lid on its new flagship mobile -- so how exactly is it different from the good ol' Galaxy S3? Luke Westaway is a senior editor at CNET and writer/ presenter of Adventures in Tech, ...
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