Mathematical theory of biological periodicities: formulation of the n-body case.
D000704:Analysis of Variance; D004702:Endocrine Glands; D008954:Models, Biological; D010507:Periodicity; D010902:Pituitary Gland / Q000502:physiology; D013961:Thyroid Gland / Q000502:physiology; D013972:Thyrotropin; D013974:Thyroxine
D013972:Thyrotropin; D013974:Thyroxine