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Melatonin is an endogenously synthesized and secreted hormone by the... | Download Scientific Diagram
![Melatonin, skeletal formula and molecular structure. Hormone that regulates the sleep-wake cycle, primarily released by the pineal gland Stock Photo - Alamy Melatonin, skeletal formula and molecular structure. Hormone that regulates the sleep-wake cycle, primarily released by the pineal gland Stock Photo - Alamy](https://c8.alamy.com/comp/2C087BN/melatonin-skeletal-formula-and-molecular-structure-hormone-that-regulates-the-sleep-wake-cycle-primarily-released-by-the-pineal-gland-2C087BN.jpg)
Melatonin, skeletal formula and molecular structure. Hormone that regulates the sleep-wake cycle, primarily released by the pineal gland Stock Photo - Alamy
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