RT Journal Article SR Electronic T1 Physical inactivity in Saudi Arabia. An under served public health issue JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1278 OP 1280 VO 31 IS 11 A1 Al-Hazzaa, Hazzaa M. A1 AboZaid, Hani A. A1 Farahat, Fayssal M. YR 2010 UL http://smj.org.sa/content/31/11/1278.abstract