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. 2006 Feb 15;273(1591):1273–1280. doi: 10.1098/rspb.2005.3436

Table 3.

Frequency of A. pisum SS collected from North Utah. n=120.

symbiont frequency (%) expected (%) G2 likelihood ratio test
uninfected 32.5
S. symbiotica 18.3
H. defensa 40
R. insecticola 0
Rickettsia (PAR) 5.8
S. symbiotica+H. defensa 0.8 7.3 p=0.002
H. defensa+PAR 0.8 2.3 p=0.21
S. symbiotica+PAR 1.7 1.1 p=0.60