Hay, A. D., Costelloe, C., Redmond, N. M., Montgomery, A. A., Fletcher, M., Hollinghurst, S., & Peters, T. J. (2008). Paracetamol plus ibuprofen for the treatment of fever in children (PITCH): Randomised controlled trial. BMJ Publishing Group Ltd.

Hay, Alastair D., Céire Costelloe, Niamh M. Redmond, Alan A. Montgomery, Margaret Fletcher, Sandra Hollinghurst, und Tim J. Peters. Paracetamol Plus Ibuprofen for the Treatment of Fever in Children (PITCH): Randomised Controlled Trial. BMJ Publishing Group Ltd, 2008.

Hay, Alastair D., et al. Paracetamol Plus Ibuprofen for the Treatment of Fever in Children (PITCH): Randomised Controlled Trial. BMJ Publishing Group Ltd, 2008.