2 History resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevel IGCSE SubjectClear filter History Exam board Edexcel TopicClear filter changes in medicine, c1848-c1948 Resources Mindmap Progress in the mid-C19th. IGCSE, History Mindmap Discovery and development; 1860-75; Lister and Pasteur IGCSE, History Mindmap Search again