Non-ionizing measurement and quantification of bell-shaped chests in spinal muscular atrophy: a pilot study oleh Israel Amirav, Israel Amirav, Neta Rabin, Neta Rabin, Sapir Levi, Sapir Levi, Ronly Har-Even Cohn, Ronly Har-Even Cohn, Yotam Lior, Yotam Lior, Shelly Shiran, Shelly Shiran, Liora Sagi, Liora Sagi, Aviva Fatal, Aviva Fatal, Alon Zvirin, Yaron Honen, Moran Lavie, Moran Lavie, Ron Kimmel, Ron Kimmel