Possible effects of environmentally stimulated endogenous opiates.
D000818:Animals; D002417:Cattle; D004558:Electric Stimulation; D004574:Electromagnetic Fields / Q000009:adverse effects*; D055590:Electromagnetic Phenomena / Q000009:adverse effects*; D004723:Endorphins / Q000502:physiology*; D004781:Environmental Exposure; D006801:Humans
D004723:Endorphins