Axén, I., Bodin, L., Kongsted, A., Wedderkopp, N., Jensen, I., & Bergström, G. (2012). Analyzing repeated data collected by mobile phones and frequent text messages. An example of Low back pain measured weekly for 18 weeks. BioMed Central.

Axén, Iben, Lennart Bodin, Alice Kongsted, Niels Wedderkopp, Irene Jensen, και Gunnar Bergström. Analyzing Repeated Data Collected By Mobile Phones and Frequent Text Messages. An Example of Low Back Pain Measured Weekly for 18 Weeks. BioMed Central, 2012.

Axén, Iben, et al. Analyzing Repeated Data Collected By Mobile Phones and Frequent Text Messages. An Example of Low Back Pain Measured Weekly for 18 Weeks. BioMed Central, 2012.