# PHASE: An Open-Source Program for the Analysis of Drosophila Ph ase, A ctivity, and S leep Under E ntrainment > Research article (Journal of Biological Rhythms, 2022) · cited 27× · AI/ML **Wikidata**: [openalex:W4283216063](https://www.wikidata.org/wiki/openalex:W4283216063) **Source**: https://4ort.xyz/entity/phase-an-open-source-program-for-the-analysis-of-i-b-drosophila-b-i-u-ph-u-ase-u-a-u-ctivity-and-u-s-u-leep-under-u-e-u-