Strength gains: block versus daily undulating periodization weight training among track and field athletes. - PubMed - NCBI
Int J Sports Physiol Perform. 2012 Jun;7(2):161-9. Epub 2011 Dec 12. Clinical Trial; Comparative Study
Int J Sports Physiol Perform. 2012 Jun;7(2):161-9. Epub 2011 Dec 12. Clinical Trial; Comparative Study