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Item _entity.src_method

Description

              The method by which the sample for the entity was produced.
               Entities isolated directly from natural sources (tissues, soil
               samples etc.) are expected to have further information in the
               ENTITY_SRC_NAT category. Entities isolated from genetically
               manipulated sources are expected to have further information in
               the ENTITY_SRC_GEN category.

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Mandatory Code

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