<style face="normal" font="default" size="100%">[Sanitary assistance inspired by Christianity. III. Crusades; great epidemics (leprosy, plague, ergotism); hospital religious orders].</style>

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0<style face="normal" font="default" size="100%">[Sanitary assistance inspired by Christianity. III. Crusades; great epidemics (leprosy, plague, ergotism); hospital religious orders].</style>