• The prevalence of low back pain in Africa : a systematic review 

      Louw, Quinette A.; Morris, Linzette D.; Grimmer-Somers, Karen (BioMed Central, 2007-11)
      Background: Low back pain (LBP) is the most prevalent musculoskeletal condition and one of the most common causes of disability in the developed nations. Anecdotally, there is a general assumption that LBP prevalence in ...