APA

Butler C. C., Kelly M. J., Hood K., Schaberg T., Melbye H., Serra-Prat M., Blasi F., Little P., Verheij T., Mölstad S., Godycki-Cwirko M., Edwards P., Almirall J., Torres A., Rautakorpi U., Nuttall J., Goossens H. & Coenen S. (20120123). Antibiotic prescribing for discoloured sputum in acute cough/lower respiratory tract infection. : The European respiratory journal.

Chicago

Butler C C, Kelly M J, Hood K, Schaberg T, Melbye H, Serra-Prat M, Blasi F, Little P, Verheij T, Mölstad S, Godycki-Cwirko M, Edwards P, Almirall J, Torres A, Rautakorpi U-M, Nuttall J, Goossens H and Coenen S. 20120123. Antibiotic prescribing for discoloured sputum in acute cough/lower respiratory tract infection. : The European respiratory journal.

Harvard

Butler C. C., Kelly M. J., Hood K., Schaberg T., Melbye H., Serra-Prat M., Blasi F., Little P., Verheij T., Mölstad S., Godycki-Cwirko M., Edwards P., Almirall J., Torres A., Rautakorpi U., Nuttall J., Goossens H. and Coenen S. (20120123). Antibiotic prescribing for discoloured sputum in acute cough/lower respiratory tract infection. : The European respiratory journal.

MLA

Butler C C, Kelly M J, Hood K, Schaberg T, Melbye H, Serra-Prat M, Blasi F, Little P, Verheij T, Mölstad S, Godycki-Cwirko M, Edwards P, Almirall J, Torres A, Rautakorpi U-M, Nuttall J, Goossens H and Coenen S. Antibiotic prescribing for discoloured sputum in acute cough/lower respiratory tract infection. : The European respiratory journal. 20120123.