abdomen
analyzing
bacteria
biology
blood
cdc
checkup
disease
fever
gastritis
health care
helicobacter pylori
hematology
hospital
hpylori
illness
immunology
infection
lab
laboratory
medical
medical exam
medical technology
medical test
medicine
micro organism
microbiology
patient
research
science
scientific experiment
sepsis
septicemia
serology
sick
sickness
stomach
test