ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The experiment used Cornish x White Rock chicks hatched in separate boxes and transferred when 12-18 h old to isolation rearing cages. In the centre of each cage separate from the sources of food, water and heat, there was either a dark blue or a green cloth covered paper ball about 5 cm in ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/215785a0
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