Taufiq Hidayat, Zailirin Yuliana Zainoeddin,Yusrizal Chan,Taufik Abstract Background: Lung is vital organ related to air environment outside body. Generally, hajj pilgrim has frequent respiratory problem when they stay during hajj session. The aim of the study is to know the relation between pulmonary function test and common respiratory sign. Methods: Analytic prospective study were done. […]