preferred_name: Lumbar spine pain and/or morning stiffness or night pain of the back, improving with motion
preferred_name_lc: lumbar spine pain and/or morning stiffness or night pain of the back, improving with motion
label: Lumbar spine pain and/or morning stiffness or night pain of the back, improving with motion
label_lc: lumbar spine pain and/or morning stiffness or night pain of the back, improving with motion