scam artists claim they have scientific journal publications to their
name to reinforce their professional and reputable standing. These
claims may simply be false and you can check with scientific journal
databases to be sure (a free one called PubMed is available online
from the National Institutes of Health in the USA). Other journals
are obscure and it may be difficult to confirm any publication claim.
Of course those that claim publication in "well known, reputable
journals" but do not give you specific references you can check,
are immediately suspect.
However, claims of journal publications may actually be true. There
are good scientific journals and there are bad ones. Some journals
do not properly review research papers submitted to them or may
not review them at all. They are simply accepted at face value.
Other journals may be fooled by false research information. Fabrication
of scientific results is possible and occasionally occurs even among