Research Article
Melatonin and Caffeine Supplementation Used, Respectively, as Protective and Stimulating Agents in the Cryopreservation of Human Sperm Improves Survival, Viability, and Motility after Thawing compared to Traditional TEST-Yolk Buffer
Figure 2
Study design. CONT group: control (no supplementation) group; CAF group: caffeine treatment group; MEL group: melatonin treatment group; MC group: melatonin+caffeine treatment group.