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Lung cancer. Photograph of part of a lung removed after death. The yellow area is a large tumor and
Common skin signs are often evidence of an illness or disorder. A crust is a dry, serous or ...
Children will feel more at ease and have a better learning experience if they are allowed to touch ...
Some common eye disorders. (C) Stye.
Structures of four common types of DNA-binding motifs from eukaryotic transcription factors
Honey should never be given to children younger than one year of age