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 ______      ___     __   __     ___      _____   
|      \\   / _ \\   \ \\/ //   / _ \\   /  ___|| 
|  --  //  / //\ \\   \   //   / //\ \\ | // __   
|  --  \\ |  ___  ||  / . \\  |  ___  ||| \\_\ || 
|______// |_||  |_|| /_//\_\\ |_||  |_|| \____//  
`------`  `-`   `-`  `-`  --` `-`   `-`   `---`

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Text this: Age-dependent decreases of calcium, phosphorus, sulfur, and zinc in the cardiac valves of monkeys