1. AAAAI. Allergy statistics. Retrieved May 10, 2016., from
http://www.aaaai.org/about-aaaai/newsroom/allergy-statistics
2. Abels, E. G., Cogdill, K. W., & Zach, L. (2004). Identifying and communicating the contributions of library and information services in hospitals and academic health sciences centers. Journal of the Medical Library Association, 90(3), 46–55.
3. Access Economics Pty Limited. (2007). The economic impact of allergic disease in Australia: Not to be sneezed at. Balgowlah: Australasian Society of Clinical Immunology and Allergy (ASCIA).
4. Alavi, M., & Leidner, D. (2001). Review: Knowledge management and knowledge management systems: Conceptual foundations and research issues. MIS Quarterly, 25(1), 107–136.
5. Benbasat, I., Goldstein, D. K., & Mead, M. (1987). The case research strategy in studies of information systems. MIS Quarterly, 11(3), 369–386.