Glucose‐6‐phosphate dehydrogenase deficiency‐associated hemolysis and methemoglobinemia in a COVID‐19 patient treated with chloroquine. Issue 8 (18th June 2020) - Kuipers, Maria T.; van Zwieten, Rob; Heijmans, Jarom; Rutten, Caroline E.; de Heer, Koen; Kater, Arnon P.; Nur, Erfan