Surgical correction of gastroesophageal reflux in lung transplant patients is associated with decreased effector CD8 cells in lung lavages: a case series. - Neujahr DC; Mohammed A; Ulukpo O; Force SD; Ramirez AM; Pelaez A; Lawrence EC; Larsen CP; Kirk AD; Neujahr, David C; Mohammed, Aminu; Ulukpo, Onome; et al. (CHEST, 2010)