Neden 4 haftadan 6 haftaya uzadığına dair Dr. Handsfieldin verdiği cevap. https://www.healthtap.com/user_questions/7053972-hi-doctors-why-has-dr-h-h-h-changed-his-mind-about-accuracy-of-the-duo-hiv-test-from-4-to-6-we @ Uzman
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