Seemin Seher Ahmed and Guangping Gao
Imagem
Johann Eolfgang
Mini-revisão
Patryk Kownacki, Tadeusz Morawiec, Iwona Niedzielska, Zbigniew Nawrat, Rafal Rój and Stefan Baron
Relato de caso
Nabil Saied Awad and Adel El-Sayed El-Tarras
Artigo de Pesquisa
William Chaman
Resumos de valor agregado