Effects of protein sources at sahur on anaerobic power and strength during Ramadan in combat sport athletes: A single blind, randomized, placebo-controlled, counterbalanced crossover study design - Abdullah Demirli; Süleyman Ulupınar; Ayşe Türksoy Işım; Alay Kesler; Merve Terzi; Cebrail Gençoğlu; Serhat Özbay; Melenco Ionel; Ibrahim Ouergui; Luca Paolo Ardigò (PLoS ONE, 2026)