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PDQ Cancer Information Summaries [Internet].
Bethesda (MD): National Cancer Institute (US); 2002-.
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Diagnosis and Management of Metastatic Malignant Disease of Unknown Primary Origin.
Cardiff (UK): National Collaborating Centre for Cancer (UK); 2010 Jul. (NICE Clinical Guidelines, No. 104.)
Coronavirus Disease 2019 (COVID-19) Treatment Guidelines [Internet].
Bethesda (MD): National Institutes of Health (US); 2021 Apr 21-2024 Feb 29.
Substance Abuse Treatment for Persons With HIV/AIDS [Internet].
Rockville (MD): Substance Abuse and Mental Health Services Administration (US); 2000. (Treatment Improvement Protocol (TIP) Series, No. 37.)
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