Cite
The effect of postal questionnaire burden on response rate and answer patterns following admission to intensive care: a randomised controlled trial.
MLA
Hatch, Robert, et al. “The Effect of Postal Questionnaire Burden on Response Rate and Answer Patterns Following Admission to Intensive Care: A Randomised Controlled Trial.” BMC Medical Research Methodology, vol. 17, Mar. 2017, pp. 1–9. EBSCOhost, https://doi.org/10.1186/s12874-017-0319-3.
APA
Hatch, R., Duncan Young, Barber, V., Harrison, D. A., Watkinson, P., & Young, D. (2017). The effect of postal questionnaire burden on response rate and answer patterns following admission to intensive care: a randomised controlled trial. BMC Medical Research Methodology, 17, 1–9. https://doi.org/10.1186/s12874-017-0319-3
Chicago
Hatch, Robert, Duncan Young, Vicki Barber, David A. Harrison, Peter Watkinson, and Duncan Young. 2017. “The Effect of Postal Questionnaire Burden on Response Rate and Answer Patterns Following Admission to Intensive Care: A Randomised Controlled Trial.” BMC Medical Research Methodology 17 (March): 1–9. doi:10.1186/s12874-017-0319-3.