Nature · 1971 · 55 citations · 17 references
Elderly Human SubjectsLight RegulationEngineeringPhysiologyWearable TechnologyCalcium AbsorptionArtificial LightingElectrophysiologyBiomedical EngineeringOptogeneticsHealth Sciences
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“Activation” of vitamin D by the liver
G. Ponchon, Alfred L. Kennan, Hector F. DeLuca · Journal of Clinical Investigation · 1969 · 390 citations · Full text