- Ghrelinimmunopositivecellsweresimlarlyobservedintheexocrineportionandendocrineportion(pancreasislet)ofpancreas.UltrastructurechangesofpancreaticexocrineportioninmicefedwithboronThetypicalsecretorygranulesoftheA-cellscouldalsobefoundinthecellsbetweent...
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