title: Circadian and circannual variations in growth and cold resistance of warm acclimated rats and their relationship with the geomagnetic activity.
mesh_terms: D000064:Acclimatization; D000818:Animals; D001835:Body Weight; D002940:Circadian Rhythm; D004032:Diet; D008280:Magnetics; D008297:Male; D010507:Periodicity; D051381:Rats; D013696:Temperature