Experiments on the mechanism of the push and pull principle.
D002450:Cell Communication; D004702:Endocrine Glands / Q000502:physiology*; D006801:Humans; D007031:Hypothalamus / Q000502:physiology*; D010902:Pituitary Gland / Q000502:physiology*
ENDOCRINE GLANDS/physiology; HYPOTHALAMUS/physiology; PITUITARY GLAND/physiology