1. Silvestroni, E., and Bianco, I., La malattia microdrepanocitica, second ed. (Pensiero Scientifico, Roma, 1955).
2. Silvestroni, E., Policlinico Sez. Prat., 66, 1373 (1959).
3. Silvestroni, E., Bianco, I., Lucci, R., and Soffritti, E., Acta Gen. Med. Gemell. 9, 472 (1960).
4. Schneider, R. G., and Haggard, M. E., Nature, 180, 1486 (1957).
5. Schneider, R. G., and Haggard, M. E., Nature, 182, 322 (1958).