Sandström, S., Ostensen, H., Pettersson, H., & Åkerman, K. (2003). The WHO manual of diagnostic imaging: Radiographic technique and projections. published by the World Health Organization in collaboration with the International Society of Radiology.

Sandström, Staffan, Harald Ostensen, Holger Pettersson, and K. Åkerman. The WHO Manual of Diagnostic Imaging: Radiographic Technique and Projections. Geneva: published by the World Health Organization in collaboration with the International Society of Radiology, 2003.

Sandström, Staffan, et al. The WHO Manual of Diagnostic Imaging: Radiographic Technique and Projections. published by the World Health Organization in collaboration with the International Society of Radiology, 2003.