Pakistan Postgraduate Medical Journal (PPMJ) has a policy that allows authors to submit all versions of their articles to any repository they choose. 

Authors of articles published in PPMJ may self-archive the published and/or postprint version of their text (peer-reviewed final electronic version of the publication approved by the Publisher for publication.

The submission of a manuscript for publication in PPMJ grants the Editors and the Publisher the right and licence to publish the manuscripts on the journal’s website and distribute it in repositories and academic databases the journal is indexed in.