«…только если необходимо» (см. с. 207): V. Blanc et al., “ ‘Antibiotics only when necessary’ campaign in the Alpes-Maritimes District: no negative impact on invasive infections in children in the community 1998–2003,” Presse Med 37 (2008): 1739–45. Применение уменьшилось примерно вдвое (B. Dunais et al., “Antibiotic prescriptions in French day-care centres: 1999–2008,” Archives of Disease in Childhood 96 [2011]: 1033–37).