Accurate and reproducible enumeration of CD4 T cell counts and Hemoglobin levels using a point of care system: Comparison with conventional laboratory based testing systems in a clinical reference laboratory in Cameroon - Bertrand Sagnia; Fabrice Mbakop Ghomsi; Sylvie Moudourou; Ana Gutierez; Jules Tchadji; Samuel Martin Sosso; Alexis Ndjolo; Vittorio Colizzi (PLoS ONE, 2024)