1. Barot-Ciorbaru R., Linna T.J., Patel M.R., Altmann J., Carnaud C. (1989). Enhancement of natural-killer cell activity byNocardia opaca fractions. Scand. J. Immunol., 29, 133–141.
2. Brochier J., Bona C., Ciorbaru R., Revillard J-P., Chedid L. (1976): A human T-independent B-lymphocyte mitogen extracted fromNocardia opaca. J. Immunol., 117, 1434–1439.
3. Camenen I., Breton C., Renoux M.et al. (1989):In vivo assay ofNocardia delipidated cell mitogen and sodium diethyldithiocarbamate against b-16 murine melanoma (DITCR). J. Invest. Dermatol., 92, 127–137.
4. Ciorbaru R., Adam A., Petit J-F., Lederer E., Bona C., Chedid L. (1975): Isolation of mitogenic and adjuvant active fractions from various species ofNocardiae. Infect. Immun., 11, 257–264.
5. Franke W-G., Ehrenfeld U., Haas R., Penzler H-M., Koch R. (1994): Tumor imaging using a Tc99m labeled immunomodulator — results of clinical studies in various kinds of malignant tumors (lecture given by Prof. Dr med W-G. Franke). 21st Int. Symp. Radioactive Isotopes in Clinical Medicine and Research, Badgastein, Austria, 1–14 January, 1994.