منابع مشابه
William John Ritchie Simpson (1855-1931): public health and tropical medicine.
Simpson's long working life covered a wide field. The pioneering nature of his work in public health and tropical hygiene involved a number of appointments at home and abroad. He worked in Aberdeen as Medical Officer of Health, in India as Health Officer for Calcutta, and in London he taught as Professor of Hygiene at King's College, becoming one of the founders of the London School of Hygiene ...
متن کاملSteve Simpson
Steve Simpson was born and grew up in Australia. After completing his undergraduate degree at the University of Queensland, he travelled to London where he undertook his PhD on locust feeding physiology. Steve then spent 22 years in Oxford, fi rst in Experimental Psychology and then in the Department of Zoology and the Natural History Museum, before being enticed back to Australia in 2005. Toge...
متن کاملChanning and Simpson in Edinburgh
In August of 1852 Dr. Walter Channing, professor of obstetrics and medical jurisprudence at Harvard Medical School, was about to finish an extensive tour of Europe, having left Boston early in May of that year. He was sixtysix at the time, and almost a half century had passed since his previous trip to that continent where as a medical student he studied in Edinburgh and London. The trip had ta...
متن کاملOn the Deligne-Simpson problem
The Deligne-Simpson problem is formulated like this: give necessary and sufficient conditions for the choice of the conjugacy classes Cj ⊂ SL(n,C) or cj ⊂ sl(n,C) so that there exist irreducible (p + 1)-tuples of matrices Mj ∈ Cj or Aj ∈ cj satisfying the equality M1 . . .Mp+1 = I or A1 + . . .+Ap+1 = 0. We solve the problem for generic eigenvalues with the exception of the case of matrices Mj ...
متن کاملInvited commentary: Barker meets Simpson.
In the current issue of the Journal, Tu et al. (1) show convincingly that if there is no correlation between birth weight and blood pressure but both are positively correlated with current weight (which they are), then adjustment for current weight can induce a negative correlation between birth weight and blood pressure. This demonstration may be important in stimulating epidemiologists to ret...
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ژورنال
عنوان ژورنال: Annals of Surgery
سال: 1945
ISSN: 0003-4932
DOI: 10.1097/00000658-194505000-00022