Saddler J N, Wardlaw A C
Experientia. 1978 Sep 15;34(9):1227-8. doi: 10.1007/BF01922973.
In assaying bacterial lipopolysaccharides (LPS) for anticomplementary activity, human complement (C) allowed detection of approximately 200 times smaller amounts of LPS than guinea-pigs C. Pig C was slightly inferior to human.