Chen H, Zhuo Q, Yuan W, Wang J, Wu T (23 January 2008). "Vitamin A for preventing acute lower respiratory tract infections in children up to seven years of age". Cochrane Database of Systematic Reviews (1): CD006090. doi:10.1002/14651858.CD006090.pub2. PMID18254093.
Ball P, Baquero F, Cars O, File T, Garau J, Klugman K, Low DE, Rubinstein E, Wise R (January 2002). "Antibiotic therapy of community respiratory tract infections: strategies for optimal outcomes and minimized resistance emergence". The Journal of Antimicrobial Chemotherapy. 49 (1): 31–40. doi:10.1093/jac/49.1.31. PMID11751764.
Schuetz P, Wirz Y, Sager R, Christ-Crain M, Stolz D, Tamm M, Bouadma L, Luyt CE, Wolff M, Chastre J, Tubach F, Kristoffersen KB, Burkhardt O, Welte T, Schroeder S, Nobre V, Wei L, Bucher HC, Bhatnagar N, Annane D, Reinhart K, Branche A, Damas P, Nijsten M, de Lange DW, Deliberato RO, Lima SS, Maravić-Stojković V, Verduri A, Cao B, Shehabi Y, Beishuizen A, Jensen JU, Corti C, Van Oers JA, Falsey AR, de Jong E, Oliveira CF, Beghe B, Briel M, Mueller B (12 October 2017). "Procalcitonin to initiate or discontinue antibiotics in acute respiratory tract infections". Cochrane Database of Systematic Reviews. 10 (5): CD007498. doi:10.1002/14651858.CD007498.pub3. PMC6485408. PMID29025194.
Chen H, Zhuo Q, Yuan W, Wang J, Wu T (23 January 2008). "Vitamin A for preventing acute lower respiratory tract infections in children up to seven years of age". Cochrane Database of Systematic Reviews (1): CD006090. doi:10.1002/14651858.CD006090.pub2. PMID18254093.
Ball P, Baquero F, Cars O, File T, Garau J, Klugman K, Low DE, Rubinstein E, Wise R (January 2002). "Antibiotic therapy of community respiratory tract infections: strategies for optimal outcomes and minimized resistance emergence". The Journal of Antimicrobial Chemotherapy. 49 (1): 31–40. doi:10.1093/jac/49.1.31. PMID11751764.
Schuetz P, Wirz Y, Sager R, Christ-Crain M, Stolz D, Tamm M, Bouadma L, Luyt CE, Wolff M, Chastre J, Tubach F, Kristoffersen KB, Burkhardt O, Welte T, Schroeder S, Nobre V, Wei L, Bucher HC, Bhatnagar N, Annane D, Reinhart K, Branche A, Damas P, Nijsten M, de Lange DW, Deliberato RO, Lima SS, Maravić-Stojković V, Verduri A, Cao B, Shehabi Y, Beishuizen A, Jensen JU, Corti C, Van Oers JA, Falsey AR, de Jong E, Oliveira CF, Beghe B, Briel M, Mueller B (12 October 2017). "Procalcitonin to initiate or discontinue antibiotics in acute respiratory tract infections". Cochrane Database of Systematic Reviews. 10 (5): CD007498. doi:10.1002/14651858.CD007498.pub3. PMC6485408. PMID29025194.
Schuetz P, Wirz Y, Sager R, Christ-Crain M, Stolz D, Tamm M, Bouadma L, Luyt CE, Wolff M, Chastre J, Tubach F, Kristoffersen KB, Burkhardt O, Welte T, Schroeder S, Nobre V, Wei L, Bucher HC, Bhatnagar N, Annane D, Reinhart K, Branche A, Damas P, Nijsten M, de Lange DW, Deliberato RO, Lima SS, Maravić-Stojković V, Verduri A, Cao B, Shehabi Y, Beishuizen A, Jensen JU, Corti C, Van Oers JA, Falsey AR, de Jong E, Oliveira CF, Beghe B, Briel M, Mueller B (12 October 2017). "Procalcitonin to initiate or discontinue antibiotics in acute respiratory tract infections". Cochrane Database of Systematic Reviews. 10 (5): CD007498. doi:10.1002/14651858.CD007498.pub3. PMC6485408. PMID29025194.