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Chronobiology International
The Journal of Biological and Medical Rhythm Research
Volume 5, 1988 - Issue 4
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Original Article

An Example of Circular Statistics in Chronobiological Studies: Analysis of Polymorphism in the Emergence Rhythms of Schistosoma Mansoni Cercariae

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Pages 433-439 | Received 01 Jan 1988, Accepted 01 Apr 1988, Published online: 07 Jul 2009
 

Abstract

Chronobiological data concerning the emergence rhythms of Schistosoma mansoni cercariae were transformed into circular variables and analysed using circular statistics. The method proposed allowed three chronobiological patterns to be distinguished for the parasite populations studied, and statistical tests for the homogeneity of samples in each group and the significant differences between groups were also carried out.

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