1. Tannenbaum, A., Cancer Res., 2: 468–475, 1942.
2. gammal, E.B., Carroll, K.K. and Plunkett, E.R., Cancer Res., 27: 1737–1742, 1967.
3. Gammal, E.B., Carroll, K.K. and Plunkett, E.R., Cancer Res., 28: 384–385, 1968.
4. Carroll, K.K., Gammal, E.B. and Plunkett, E.R., Can Med. Assoc. J., 98: 590–594, 1968.
5. Carroll, K.K. and Khor, H.T., Cancer Res., 30: 2260–2264, 1970.