Michael Aguilar, better known by his stage name Double O, the American producer and one half of the acclaimed hip-hop group Kidz in the Hall
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D,O stands for Doctor of Osteopathy. This medical profession was founded in the mid-1800s by Andrew Taylor Still. In the 21st century now, D.O.s receive training which is equivalent to the training...
D O = Doctor of Osteopathic Medicine