APA aipamena

Darbà, J., & Marsà, A. (2020). Analysis of the management and costs of headache disorders in Spain during the period 2011–2016: A retrospective multicentre observational study. BMJ Open.

Chicago Style aipamena

Darbà, Josep, and Alicia Marsà. "Analysis of the Management and Costs of Headache Disorders in Spain During the Period 2011–2016: A Retrospective Multicentre Observational Study." BMJ Open 2020.

MLA aipamena

Darbà, Josep, and Alicia Marsà. "Analysis of the Management and Costs of Headache Disorders in Spain During the Period 2011–2016: A Retrospective Multicentre Observational Study." BMJ Open 2020.