Axén, I., & Bodin, L. (2016). Searching for the optimal measuring frequency in longitudinal studies -- an example utilizing short message service (SMS) to collect repeated measures among patients with low back pain. BMC Med Res Methodol.
Citação norma ChicagoAxén, Iben, and Lennart Bodin. "Searching for the Optimal Measuring Frequency in Longitudinal Studies -- an Example Utilizing Short Message Service (SMS) to Collect Repeated Measures Among Patients With Low Back Pain." BMC Med Res Methodol 2016.
Deismireacht MLAAxén, Iben, and Lennart Bodin. "Searching for the Optimal Measuring Frequency in Longitudinal Studies -- an Example Utilizing Short Message Service (SMS) to Collect Repeated Measures Among Patients With Low Back Pain." BMC Med Res Methodol 2016.