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  1. A case of potentially dedifferentiated parosteal osteosarcoma was found in the proximal humerus of an adult female buried in the late Anglo-Saxon cemetery of Cherry Hinton, Cambridgeshire, UK. Key features include a large, dense, lobulated mass attached to the medial metaphysis of the proximal humerus by a broad-based attachment, accompanied by ...

  2. van Zuylen, J. 1981-03-01. The seventeenth-century Dutch microscopist, Antoni van Leeuwenhoek, was the first man to make a protracted study of microscopical objects, and, unlike his contemporary Robert Hooke, he viewed by transmitted light. Leeuwenhoek made over 500 of his own, curious, simple microscopes, but now only nine are known to exist.

  3. 2018-01-26. To date, the earliest modern human fossils found outside of Africa are dated to around 90,000 to 120,000 years ago at the Levantine sites of Skhul and Qafzeh. A maxilla and associated dentition recently discovered at Misliya Cave, Israel, was dated to 177,000 to 194,000 years ago, suggesting that members of the Homo sapiens clade ...

  4. Leonardo da Vinci 's foot: historical evidence of concept. PubMed. Jastifer, James R; Toledo-Pereyra, Luis H. 2012-10-01. Leonardo da Vinci (1452-1519), world-renowned Italian renaissance master, is known for his contributions to, and broad interests in science and art. The objective of this work is to demonstrate the extent of his science by ...

  5. Services for Public Access Collections. To improve the discoverability of publications across federal agency repositories, the following page provides information about the Application Programming Interfaces (APIs) and other services provided by each agency. APIs simplify programming, help to support application interoperability, and facilitate ...

  6. 2015-01-01. Catharanthus roseus (L.) known as Madagascar periwinkle (MP) is a legendary medicinal plant mostly because of possessing two invaluable antitumor terpenoid indole alkaloids (TIAs), vincristine and vinblastine. The plant has also high aesthetic value as an evergreen ornamental that yields prolific blooms of splendid colors.

  7. The Bradford Hill criteria and zinc-induced anosmia: a causality analysis.. PubMed. Davidson, Terence M; Smith, Wendy M. 2010-07-01. To apply the Bradford Hill criteria, which are widely used to establish causality between an environmental agent and disease, to evaluate the relationship between over-the-counter intranasal zinc gluconate therapy and anosmia.