vocabulary.dcterms:description generated and the types of analysis performed on the @en
http://purl.obolibrary.org/obo/IAO_0000115 concentration of a compound which induces a response
http://purl.obolibrary.org/obo/IAO_0000112 Determining the potentency of a drug / antibody, curve, and determining the concentration of the, compound where 50% of its maximal effect is observed.