Cloning this repository:

git clone git://gitorious.org/~doctoralex/gnumed/doctoralexs-gnumed.git doctoralexs-gnumed
cd doctoralexs-gnumed

Add this repository as a remote to an existing local repository:

git remote add doctoralexs-gnumed git://gitorious.org/~doctoralex/gnumed/doctoralexs-gnumed.git
git fetch doctoralexs-gnumed
git checkout -b my-local-tracking-branch doctoralexs-gnumed/master_or_other_branch