Background. Little is known about how cumulative chemotherapy delivery influences the poorer outcome observed in young adult (YA, 18-40 years) versus pediatric (<18 years) osteosarcoma patients. Here, we retrospectively examined differences in presentation, therapy, including cumulative chemotherapy dose, and outcome in YA and pediatric patients. Methods. We reviewed 111 cases of high-grade ost...

We give a new geometrical interpretation of the local analytic solutions to a differential system, which we call a tautological system τ , arising from the universal family of Calabi-Yau hypersurfaces Ya in a G-variety X of dimension n. First, we construct a natural topological correspondence between relative cycles in Hn(X − Ya,∪D − Ya) bounded by the union of G-invariant divisors ∪D in X to t...

Makala haya yanalenga kuangazia matumizi ya jazanda pamoja na uamilifu wake katika tamthilia Kitumbua Kimeingia Mchanga Said A. Mohamed. Jazanda ni maneno ambayo yana fumbo huku yakitoa taswira aina Fulani. Mohamed ametumia kwa kazi zake kama Amezidi Mchanga. Tamthilia imetumia mbinu hii njia kipekee. Nadharia iliyotumiwa Umuundo ambao unasema kuwa fasihi inakuwa muundo unahusisha fani ambazo z...

Nitric oxide modulates the expression of matricellular genes involved in fibrosis in renal glomerular mesangial cells Dissertation Submitted for the acquisition of the degree of Ph. Acknowledgements Praise be to Almighty Allah who is worth all the praises and from whom I seek help and guidance. Thanks to the All-Compassionate and the Most-Merciful who gave me the courage and the strength to com...

ii iii To my Family … iv ACKNOWLEDGMENT All praise and glory is to almighty Allah who gave me the courage and patience to carry out this work, and peace and blessings of Allah be upon his last prophet Muhammad. Acknowledgement is due to King Fahd University of Petroleum and Minerals for supporting this research. I am grateful to the electrical engineering department, faculty and staff, for all ...