15:50, 27. Sep. 2012
(Unterschied | Versionen) . .(+3.028 Bytes) . . NK
VonnieRobichaud103
(Die Seite wurde neu angelegt: „The lower end of the esophagus is protected by a valve named the Lower Esophageal sphincter (LES). This valve opens to let food from the esophagus into the stomac…“)(aktuell)
