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Dictionary » R » Research controlled Research controlledresearch, controlled The first controlled clinical research was probably done in 1875 by the british naval surgeon james lind who, on board the hms salisbury, gave sailors with scurvy either oranges or lemons or cider or vinegar or nutmeg (or another treatment) and after just six days discovered that the citrus-consuming sailors had recovered from scury, until then the scourge of extended sea voyages, while the sailors who had been given the other treatments remained uncured. ![]()
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Results from our forumRe: How to be "good at the bench"... colleagues about the question. 2. Design the experiment: a. Background research: details and theories of the experiment, what techniques can be ... treatments are there, the effects of individual factors must be controlled independently (if treatments with X and Y, a control would be ...
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Re: Stomach bloating and weight gain... for Zantac (acid pills) but it did nothing to help. I did some research and a natural health specialists suggested good digestive enzymes ... on receptors. Furthermore enzymes must be kept in a temperature and pH controlled environment. If the conditions are not met the enzyme denatures ...
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How can I isolate adult stem cells from circulation.... the origin of adult stem cells in mature tissues is unknown. Research on adult stem cells has recently generated a great deal of excitement. ... right conditions. If this differentiation of adult stem cells can be controlled in the laboratory, these cells may become the basis of therapies ...
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Re: Brain size=IQ level theory (Blacks vs Whites & Asians)... expanded, as the author claims the book needed no updating as any new research would only be plagued with the same philosophical errors revealed ... unspecified age and body parameters, claiming that if these could be controlled the entire difference would disappear. David Ankney (1992) questioned ...
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Re: Brain size=IQ level theory (Blacks vs Whites & Asians)RESEARCH SHOWS BLACKS TO HAVE LARGER BRAINS The majority of empirical studies on the matter ... remote, but in fact, “nonexistent.” The development and size of one’s penis tend to be controlled by testosterone levels during puberty; and it is testosterone (and body size) that ...
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