Hassoun, J., Monges, G., Giraud, P., Henry, J. F., Charpin, C., Payan, H., & Toga, M. (1984). Immunohistochemical study of pheochromocytomas. An investigation of methionine-enkephalin, vasoactive intestinal peptide, somatostatin, corticotropin, beta-endorphin, and calcitonin in 16 tumors.

Hassoun, J., G. Monges, P. Giraud, J. F. Henry, C. Charpin, H. Payan, and M. Toga. Immunohistochemical Study of Pheochromocytomas. An Investigation of Methionine-enkephalin, Vasoactive Intestinal Peptide, Somatostatin, Corticotropin, Beta-endorphin, and Calcitonin in 16 Tumors. 1984.

Hassoun, J., et al. Immunohistochemical Study of Pheochromocytomas. An Investigation of Methionine-enkephalin, Vasoactive Intestinal Peptide, Somatostatin, Corticotropin, Beta-endorphin, and Calcitonin in 16 Tumors. 1984.