Increase retmax in PMID queries and simplify
Increase retmax in PMID queries and simplify

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