Surgical Wound Infection - prevention & control, Anti-Bacterial Agents - therapeutic use, Appendectomy, Surgical Wound Infection - epidemiology, Bandages, Humans, Bacteriological Techniques, Enterobacteriaceae - isolation & purification, Random Allocation, Surgical Wound Infection - microbiology
cambio climático, Climate change, Environmental policy, Capitalism, Capitalismo, 气候变化, conocimiento disciplinario, 学科的知识, Albert Einstein, 爱因斯坦, geographical thought, 地理思维, disciplinary knowledge, pensamiento geográfico, 资本主义, Estudio y enseñanza, Estudio y enseñanza