Regarding blood supply of pancreas, which of the following is true statement?
Both superior and inferior pancreacticoduodenal aery is branch of gastroduodenal aery Posterior-superior pancreacticoduodenal aery is a branch of superior mesenteric aery Anterior Inferior pancreacticoduodenal aery is a branch of superior mesenteric aery Posterior inferior pancreacticoduodenal aery is a branch of gastroduodenal aery