Citation

Stewart DF (1950) Studies on resistance of sheep to infestation with Haemonchus contortus and Trichostrongylus spp. and on the immunological reactions of sheep exposed to infestation. I. The preparation of antigens for the complement fixation test and the reactivity of the biochemical fractions of H. contortus . Australian Journal of Agricultural Research 1, 285-300.

https://doi.org/10.1071/AR9500285