«…я осознал, что гипотеза верна» (см. с. 138): J. Reibman et al., “Asthma is inversely associated with Helicobacter pylori status in an urban population,” PLOS ONE 3 (2008): e4060: 1–6; Y. Chen and M. J. Blaser, “Inverse associations of Helicobacter pylori with asthma and allergies,” Archives of Internal Medicine 167 (2007): 821–27.