Volinn E, Mayer J, Diehr P, Van Koevering D, Connell FA, Loeser JD. Small area analysis of surgery for low-back pain. Spine (Phila Pa 1976). 1992 May;17(5):575-81.
Volinn E, Mayer J, Diehr P, Van Koevering D, Connell FA, Loeser JD. Small area analysis of surgery for low-back pain. Spine (Phila Pa 1976). 1992 May;17(5):575-81.