now pmids will be returned in str
now pmids will be returned in str

johnbachman/indra,bgyori/indra,sorgerlab/belpy,johnbachman/indra,sorgerlab/indra,sorgerlab/belpy,bgyori/indra,sorgerlab/indra,bgyori/indra,sorgerlab/indra,johnbachman/indra,sorgerlab/belpy