I'll bet you a nickel she means H. pylori controls.  Good luck with that
one Gale.  I worked in a lab that is sitting on 100 lifetime's worth, but
it's a secret....... (hint: inadequate sanitation, low social class, and
crowded living conditions are related to H. pylori infection.)
                                                            Sincerely,
                                                                  Jay A.
Lundgren, M.S., HTL (ASCP)