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