# How to eliminate the space between multiple numeric citations when using citep and natbib?

I have a document that is using natbib via the following usepackage command:

\usepackage[numbers,square,comma,sort&compress]{natbib}


When I cite multiple papers using the citep command, I get spaces between each of the numbers. For example, the following citation:

\cite{aldrich05,gudmundson01}


Gives me the following in-text output:

[5, 12]


However, I would like it to read:

[5,12]


Is there a way to accomplish this?

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Try the following in your preamble:

\makeatletter
\def\NAT@def@citea{\def\@citea{\NAT@separator}}
\makeatother

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\makeatletter