1. The venoms of central and south African snakes;Christensen,1968
2. The stability of refined antivenin;Christensen;Toxicon,1975
3. Probit Analysis;Finney,1971
4. Studies of the venom of Iranian Echis carinatus in comparison with those of Pakistan and Eritria;Latifi,1973
5. Antigen-antibody relations in the present antivenin production of Brazil;Schöttler;Am. J. trop. Med.,1951