Chemical Abstracts, vol. 74, p. 255, Abst. No. 85782g, 1971. |
Nogel, J., "Isolation from Bordetella Pertussis of Proctective Additive Free from Toxic Activity and Histomine Sensitizing Factor", Nature, vol. 214, Apr. 1, 1967, pp. 96-97. |
Van Hemert, P., "Preparation of Soluble Pertussis Vaccine", Nature, vol. 203, Aug. 15, 1964, 774-775. |
Chemical Abstracts, vol. 69, No. 21, Ref. 85020d, p. 7940, 11/19/68 of Pasztai, Z, Ann. Immunol. Hung, 1967, 10.55-62. |
Microbiology Abstracts, vol. 6, No. 5, Feb. 1971, Section B, Ref. B3786 of Orr et al., Infect. Immunity, 2, 543-548 (1970). |
Chemical Abstracts, vol. 67, p. 160, Abst. No. 1776c, 1967. |
Chemical Asbtracts, vol. 58, Abst. No. 14577c, 1963. |