Njambi, H., K. Kuria, and S. Kamwati. “Evaluation of ABO And RH Blood Groups Among Helicobacter Pylori Infection Among Patients Aattending Thika Level 5 Hospital, Kiambu, Kenya”. Journal of Medical and Biomedical Laboratory Sciences Research, vol. 2, no. 1, Jan. 2023, http://jmblsr.com/index.php/JMBLSR/article/view/7.