APA (7th ed.) Citation

Rheenen, P. F. v., Ansems, S., Berger, M., Vermeulen, K., Beugel, G., Couwenberg, M., & Holtman, G. (2021, July). Effect of faecal calprotectin testing on referrals for children with chronic gastrointestinal symptoms in primary care: Study protocol for a cluster randomised controlled trial. BMJ Open.

Chicago Style (17th ed.) Citation

Rheenen, Patrick Ferry van, Sophie Ansems, Marjolein Berger, Karin Vermeulen, Gina Beugel, Maria Couwenberg, and Gea Holtman. "Effect of Faecal Calprotectin Testing on Referrals for Children with Chronic Gastrointestinal Symptoms in Primary Care: Study Protocol for a Cluster Randomised Controlled Trial." BMJ Open Jul. 2021.

MLA (9th ed.) Citation

Rheenen, Patrick Ferry van, et al. "Effect of Faecal Calprotectin Testing on Referrals for Children with Chronic Gastrointestinal Symptoms in Primary Care: Study Protocol for a Cluster Randomised Controlled Trial." BMJ Open, Jul. 2021.

Warning: These citations may not always be 100% accurate.