ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The details of the instrument are shown in Fig. 1. The position of the pen is set at maximum when a beam of chromatic light (2 mm aperture) is passed through a sample of clear fresh plasma. The clotting of plasma decreases the photoelectric output to the servo-amplifier, causing the pen to fall ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/216384b0
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