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Review articles summarise research on a topic and can be useful for literature review purposes. Look out for these or try adding keywords like "review" in your searches. Many journals produce them, and some specialise in this area, notably the Annual Reviews series of publications.
Life Sciences titles include Biochemistry, Biophysics, Cancer Biology, Cell & Developmental Biology, Ecology and Evolution, Entomology, Genetics, Marine Science, Microbiology, Neuroscience, Physiology and Plant Biology.