"Hepatitis B Virus, Duck" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.
Below are MeSH descriptors whose meaning is more general than "Hepatitis B Virus, Duck".
Below are MeSH descriptors whose meaning is related to "Hepatitis B Virus, Duck".
Below are MeSH descriptors whose meaning is more specific than "Hepatitis B Virus, Duck".