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  _  __     ___     __   __     ___      _  _   
 | |/ //   / _ \\   \ \\/ //   / _ \\   | \| || 
 | ' //   / //\ \\   \   //   | / \ ||  |  ' || 
 | . \\  |  ___  ||  / . \\   | \_/ ||  | .  || 
 |_|\_\\ |_||  |_|| /_//\_\\   \___//   |_|\_|| 
 `-` --` `-`   `-`  `-`  --`   `---`    `-` -`

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Text this: Genetic link determining the maternal-fetal circulation of vitamin D