Fix for Vancouver referencing (numerical labels [1], [2]) putting each label on own line in references section?

[jmwhyte]

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I am using the posterdown_betterland template to produce a html poster.
I am using a macbook pro (OS 12.3.1), R version 4.0.2, Rstudio version 2021.09.2 (build 382).
Posterdown was obtained from CRAN recently, v1.0.
Bookdown and knitr are up to date.

The problem:
As I prefer to use numerical references (takes up less valuable poster space) I tried to use an appropriate bibliography format,
using csl: elsevier-vancouver.csl in the header.
The referencing itself is fine. However, each entry in the references section has only the number on one line, the reference text starts on the next line. This uses up space, and looks strange.

I've looked over the YAML/customisation options, and don't see how these help.

Tips are welcome.

[leowill01]

im having this same problem using the nature.csl and ieee.csl styles that come bundled with zotero

[owen5193]

Did either of you manage to solve this issue?