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51Ulcerative colitis — Classification and external resources Endoscopic image of a bowel section known as the sigmoid colon afflicted with ulcerative colitis. The internal surface of the colon is blotchy and broken in places …
52Rhombencephalon — Brain: Rhombencephalon Diagram depicting the main subdivisions of the embryonic vertebrate brain. These regions will later differentiate into forebrain, midbrain and hindbrain structures …
53Sustainable forest management — carried out by Complejo Panguipulli has contributed to the preservation of the forested landscape around Neltume, a sawmill town in Chile Sustainable forest management (SFM) is the management of forests according to the principles of sustainable… …
54Infection control — is the discipline concerned with preventing nosocomial or healthcare associated infection, a practical (rather than academic) sub discipline of epidemiology. It is an essential, though often under recognized and under supported, part of the… …
55Common cold — Classification and external resources A representation of the molecular surface of one variant of human rhinovirus. ICD 10 J …
56Sulfuric acid — Sulfuric acid …
57Formaldehyde — For other uses, see Formaldehyde (disambiguation). Formaldehyde …
58Rochester, New York — This article is about the city of Rochester in Monroe County. For the town in Ulster County, see Rochester, Ulster County, New York. For the metropolitan area, see Rochester, New York metropolitan area. Rochester   City   …
59Paleolithic diet — This article is about a modern nutritional approach. For information on the dietary practices of Paleolithic humans, see Paleolithic#Diet and nutrition. Paleolithic style dish: seafood stew The modern dietary regimen known as the Paleolithic diet …
60W. E. Cule — W(illiam) E(dward) Cule (1870 1944) was a British author of children s books and several books for adults on Christian themes. In all, he wrote some thirty books encompassing a number of popular genres public school stories, adventure yarns,… …
