Thank you dale
thank you for telling me what the adr is. i did some research on the adr and it turns out that the dr i have actually participated in the clinical trial that led to FDA approval of the first artificial disc, a metal-and-plastic device. so i am hoping that he is thinking that i would better benift from an alif rather than an adr but i will ask the next time i see him once again thank you for answering my question.
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