by Bar-Meir, S, Halpern, Z, Gutman, M, Shpirer, Z, Baratz, M, Bass, D
Published in Gut (01.09.1985)

by Yerushalmi, A., Shpirer, Z., Hod, I., Gottesfeld, F., Bass, D.D.
Published in International journal of radiation oncology, biology, physics (1983)

by Birnbaum, Y, Shpirer, Z
Published in הרפואה (01.11.1989)

by Himmelfarb, M, Citiat, D, Spirer, Z, Shanon, E
Published in הרפואה (01.12.1977)