Cita APA (7a ed.)

BMC medical research methodology [BMC Med Res Methodol] NLMUID: 100968545.

Cita Chicago Style (17a ed.)

BMC Medical Research Methodology [BMC Med Res Methodol] NLMUID: 100968545.

Cita MLA (8a ed.)

BMC Medical Research Methodology [BMC Med Res Methodol] NLMUID: 100968545.

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