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Citation Hunt: A tool for browsing snippets of Wikipedia articles that lack citations. Citer: Converts a URL, DOI, ISBN, PMID, PMCID, OCLC, or Google Books URL into a citation and shortened footnote. It also can generate citations for certain major news websites (e.g., The New York Times) and the Wayback Machine.
KnightCite is a web based citation generator hosted by the Calvin University Hekman Library that formats bibliographic information per academic standards for use in research papers and scholarly works. [1] It has become a popular tool among high school and college students seeking help formatting bibliographies and citations.
Willem Einthoven (21 May 1860 – 29 September 1927) was a Dutch medical doctor and physiologist. He invented the first practical electrocardiograph (ECG or EKG) in 1895 and received the Nobel Prize in Physiology or Medicine in 1924 for it ("for the discovery of the mechanism of the electrocardiogram").
James Henry Greathead (1844–1896), South Africa – tunnel boring machine, tunnelling shield technique Chester Greenwood (1858–1937), U.S. – thermal earmuffs Lori Greiner (born 1969), U.S. – Silver Safekeeper anti-tarnish lining (jewelry organizers) and multiple consumer products, 120 US and foreign patents
APA style (also known as APA format) is a writing style and format for academic documents such as scholarly journal articles and books. It is commonly used for citing sources within the field of behavioral and social sciences , including sociology, education, nursing, criminal justice, anthropology, and psychology.
Graphical representation of Einthoven's triangle. Einthoven's triangle is an imaginary formation of three limb leads in a triangle used in the electrocardiography, formed by the two shoulders and the pubis. [1] The shape forms an inverted equilateral triangle with the heart at the center. It is named after Willem Einthoven, who theorized its ...
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However, Einthoven needed an exact way of measuring the minute amounts of current. In 1897 a French electrical engineer, Clement Ader, invented the "string galvanometer", containing a tensioned string of quartz. In 1903, Einthoven modified Ader's machine, adding electrodes attached to the patients limbs and thorax.
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