NieburgsH. E.: Diagnostic cell pathology in tissues and smears. Grune & Stratton Ed., 1967.
2.
NieburgsH. E.: Systemic cellular manifestations of malignant tumors. Proceedings 1st Intern. Symposium Detection Cancer SPA, 552 (1968).
3.
NieburgsH. E., HermanB. E., ReismanH.: Buccal cell changes in patients with malignant mutors. Lab. Invest., 11; 80 (1962).
4.
NieburgsH. E., ZakF. G., AllenD. C., ReismanH., ClardyT.: Systemic cellular changes in material from human and animal tissues in presence of tumors. Transactions 7th Annual Meething Inter-Society Cytology Council, p. 137 (1959).