"Pleasure-Pain Principle" 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 "Pleasure-Pain Principle".
Below are MeSH descriptors whose meaning is related to "Pleasure-Pain Principle".
Below are MeSH descriptors whose meaning is more specific than "Pleasure-Pain Principle".