28 SOCIAL QUESTIONS | MT 2841 health | BT1 epidemiology | BT2 medical science | RT epidemic [2841] | fight against insects [5206] | insect [5211]
28 SOZIALE FRAGEN | MT 2841 Gesundheit | BT1 Epidemiologie | BT2 medizinische Wissenschaften | RT Epidemie [2841] | Insekt [5211] | Insektenbekämpfung [5206]