positively regulates mitotic spindle elongation (spindle phase three) biological regulation positive regulation of mitotic spindle organization regulation of mitotic spindle elongation (spindle phase three) positive regulation of mitotic spindle elongation (spindle phase three) https://github.com/geneontology/go-ontology/issues/23317 2019-08-12T15:32:20Z kmv GO:0110164 biological_process Any process that activates or increases the frequency, rate or extent of the cell cycle process in which the distance is lengthened between poles of the mitotic spindle during mitotic anaphase B (spindle phase three). positive regulation of mitotic spindle elongation