Contents Issue 4 October 2002 Volume 9, Issue 4 , 2002 View pdf Knowledge, Attitude and Practices of Physicians Regarding Smoking in Makkah Region Mohammed Fadl mohammed Zafer Bakhsh, Abdul Jamil Choudhry, Nasser Alhamdan, Adel Mohammed Turkistani Pattern of Chemical Poisoning, Riyadh 1999-2001 Abdullah zaid Al-Azery, Ashry Gad Mohammed Biological Warfare A New Challenge? Mona Mohammed Basurrah