Good doctors use several treatment options together to yield the best results for their patients man. It is common practice Just like a man with severe High Blood Pressure takes three or more BP pills, one from each pharmaceutical company, to reduce his BP so he won't die!
If one pill is from company A, another is company B, a third is from generic maker, then it does not matter as long as the doctor helps the patient get control of his/her BP problem!
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