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The histological specimens from this group were obtained from discectomy during revision surgery

For metabolomics analysis, small pieces of tissue (~ 10 mg) were cut, weighed and collected in separate tubes

For each cell volume, Z-section images were compiled and the three-dimensional image restoration was performed using Volocity software (Improvisions, Inc.)

Track results over multiple weeks, as sleep architecture changes often take time to manifest in subjective improvements

The US Food and Drug Administration (FDA) has issued warning letters to a device maker and several drug makers for failing to meet quality system and current good manufacturing practice (CGMP) requirements

Focus on verified purity (98%), enteric coating for enhanced absorption, transparent third-party testing, and responsible sourcing