Oscillation criteria for second order nonlinear neutral differential equations. 1 M.M.A.El-sheikh, 2 R.Sallam and 3 N.Mohamady 1Department of Mathematics , Faculty of Science, Taibah University,Madinah ,Saudi Arabia. 1,2 Department of Mathematics , Faculty of Science, Menofia University, Egypt. 3 Department of Mathematics , Faculty of Science, Benha University, Egypt. E-mail address: msheikh_19...

Avicenna (Sheikh Bu Ali Sina, 980-1037 A.D.) was the author of the 'Canon of Medicine' (Al Qanoon) Fig. 1 .In his tract on cardiac drugs he has listed 64 drugs which he used for the treatment of cardiac diseases (1). A possibility of errors of interpretation exists around the research on such drugs mentioned in old treatise. Research problems pertaining to these drugs can be resolved by applyin...

Author details Department of Rheumatology, General Hospital of Mexico, Mexico City, Mexico. Division of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital, No. 110, Sec. 1, Jianguo N. Road, Taichung City 40201, South District, Taiwan. Institute of Medicine, Chung Shan Medical University, Taichung City, Taiwan. Graduate Institute of Integrated Medicine, China Medical Un...

khāleq mirzāzādeh is a great ctitic and researcher in tajikistan. he was familiar with sa‘di’s works, especially golestān and boustān , from his teen years; and he created estimable researches about sa‘di through studying of and searching in his works. it should be mentioned that there are worthwhile researches done in tajikistan in relation to sa‘di’s eventful life and his literary heritage. t...