2992711 LSDS length SDS 2 2992716 LSDS length standard deviation scores 2 2992704 LSDS lumbosacral distractions spondylodesis 2 2992714 LSDS laparoscopic sac division and suture ligation 1 2992710 LSDS Laser sheet dropsizing 1 2992713 LSDS left superior division segment 1 2992712 LSDS length SD scores 1 2992709 LSDS Life-Skills Development Scale 1 2992715 LSDS light-scattering detection system 1 2992703 LSDS light-scattering-based droplet screening 1 2992707 LSDS liver-stomach disharmony syndrome 1 2992708 LSDS Loneliness and Social Dissatisfaction Scale 1 2992706 LSDS low in SDS 1 2992705 LSDS lumbar spine decompression surgery 1