Specific blood tests and bone marrow tests are needed to make a diagnosis.
做出诊断需要专门的血液、骨髓的检查。
Physicians can usually diagnosis PCOS by combining a detailed history and a physical exam with a few specific blood tests.
诊断多囊卵巢综合征要结合详细病史，体格检查，专科血液检验。
Blood tests: High levels of allergen-specific antibodies in the blood indicate an allergy.
血液测试：血液中有浓度过敏原特异性抗体表示过敏。
BACKGROUND: Guaiac-based fecal occult blood tests (FOBTs) for colorectal cancer screening are not specific for human hemoglobin and have low sensitivity.
背景：以愈创木脂为试剂的粪便潜血实验（FOBTs）用于结直肠癌的筛查中，不仅对人血红蛋白特异性不高而且敏感性也很低。
No early symptoms of AIDS-specific, most of the infected persons in the initial infection does not have any symptoms, only to do blood tests to determine whether the infection.
艾滋病初期的症状没有特异性，大多数的感染者在感染初期是没有任何症状的，只有做血液检测才能确定是否感染。
No early symptoms of AIDS-specific, most of the infected persons in the initial infection does not have any symptoms, only to do blood tests to determine whether the infection.
艾滋病初期的症状没有特异性，大多数的感染者在感染初期是没有任何症状的，只有做血液检测才能确定是否感染。
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