Endogenous-exogenous interactions in circannual rhythms.
Gwinner
E
E
Max-Planck-Institut für Verhaltensphysiologie, Andechs, FRG.
D000818:Animals; D001717:Birds / Q000502:physiology*; D008297:Male; D010507:Periodicity; D012621:Seasons; D013737:Testis / Q000502:physiology