UC Davis Health molecular exercise physiologist Keith Baar specializes in sports medicine. He studies the effects of exercise ...
Your esophagus is a flattened muscular tube that connects your mouth to your ... American Society of Gastrointestinal Endoscopy. Quick anatomy lesson: Human digestive system. National Institute of ...
State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China University of Chinese Academy of Sciences, Beijing 100049, China State ...