What do LeBron's sneakers, Serena's racket, and your bed have in common? If you're serious about performance in your daily life, they all need to fit perfectly. It started as a secret among ...

Expandable cage designs are effective in spinal fusion, but devices that address more than just disc height alone have additional benefits, according to a study published in the October issue of the ...

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This is the minimum amount which is required to buy "x" number of lots of a particular commodity to trade in futures market.