Blood leukocyte concentration

1. Light-dark shifting decreases blood leukocyte concentration in rats (-48%).

   “decreased the blood leukocyte concentration by 48%”

   Animalsalternating photoperiod of LD 14:10 and DL 10:14 every 3 daysblood

   Influences of light-dark shifting on the immune system, tumor growth and life span of rats, mice and fruit flies as well as on the counteraction of melatonin

   Biological signals·1 Jan 1997

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