%0 Journal Article
%T Challenges in the Analysis of Longitudinal Pain Data: Practical Lessons from a Randomized Trial of Annular Closure in Lumbar Disc Surgery
%A Charlotte Fl¨¹h
%A Gerrit J. Bouma
%A Larry E. Miller
%A Martin Barth
%A Richard Bostelmann
%A Sandro Eustacchio
%A Senol Jadik
%J Archive of "Pain Research and Treatment".
%D 2019
%R 10.1155/2019/3498603
%U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6378008/