Problems Challenging the Academic Performance of Physics Students in Higher Governmental Institutions in the Case of Arbaminch, Wolayita Sodo, Hawassa and Dilla Universities
Sintayehu Mekonnen

Nat. Sci. Vol.6 No.5, March 17, 2014
DOI:10.4236/ns.2014.65037

Role of Topical Application of Growth Factors on Periodontal Repair
Athraa Yahya Al-Hijazi, Abdul Karim Abed Ali Al-Mahammadawy

Nat. Sci. Vol.6 No.5, March 17, 2014
DOI:10.4236/ns.2014.65036

Epidemiological Studies on the Relationship between PTSD Symptoms and Circadian Typology and Mental/Sleep Health of Young People Who Suffered a Natural Disaster, Great Hanshin-Awaji Earthquake
Kai Wada, Hiroko Kuroda, Miyo Nakade, Hitomi Takeuchi, Tetsuo Harada

Nat. Sci. Vol.6 No.5, March 13, 2014
DOI:10.4236/ns.2014.65035

Towards a Comprehensive Search of Putative Chitinases Sequences in Environmental Metagenomic Databases
Aline S. Romão-Dumaresq, Adriana M. Fróes, Rafael R. C. Cuadrat, Floriano P. Silva, Alberto M. R. Dávila

Nat. Sci. Vol.6 No.5, March 13, 2014
DOI:10.4236/ns.2014.65034

Estimation of Annual Effective Dose Due to Ingestion of Natural Radionuclides in Cattle in Tin Mining Area of Jos Plateau, Nigeria
Janet Ayobami Ademola

Nat. Sci. Vol.6 No.5, March 05, 2014
DOI:10.4236/ns.2014.65029