article 2019 16 pages Block periodization of endurance training–a systematic review and meta-analysis Knut Sindre Mølmen, Sjur Johansen Øfsteng, Bent R Rønnestad JournalOpen Access Journal of Sports MedicineDOI10.2147/OAJSM.S180408Publication typeSystematic ReviewPopulationtrained- to well-trained athletes View on DOI ↗