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

Pub. Date: 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

Pub. Date: 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

Pub. Date: 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

Pub. Date: 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

Pub. Date: March 05, 2014   DOI: 10.4236/ns.2014.65029