Diurnal changes in cyclic nucleotide lev
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C. Valases; S. J. Wright; G. N. Catravas
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Article
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1980
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Springer-Verlag
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English
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The concentrations of cAMP and cGMP in the rat hypothalamus varied considerably over a 24-h period. The cAMP levels were found to be relatively higher in the morning and lower during the afternoon and night. Cyclic GMP levels reached highest values during the period of darkness and were lowest durin