Multiphasic variations in sunshine and thyroid activity during a year.
D000818:Animals; D002415:Cats; D005399:Fishes; D006801:Humans; D008297:Male; D010507:Periodicity; D011830:Radiation Effects; D012621:Seasons; D012756:Sheep; D013045:Species Specificity; D013472:Sunlight; D013961:Thyroid Gland / Q000502:physiology* / Q000528:radiation effects; D014481:United States; D014562:Caudata; D014887:Weather