"Hematoporphyrin Derivative" 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 "Hematoporphyrin Derivative".
Below are MeSH descriptors whose meaning is related to "Hematoporphyrin Derivative".
Below are MeSH descriptors whose meaning is more specific than "Hematoporphyrin Derivative".