Clinical Trials Study
Copyright ©The Author(s) 2023.
World J Clin Cases. Feb 6, 2023; 11(4): 797-808
Published online Feb 6, 2023. doi: 10.12998/wjcc.v11.i4.797
Figure 1
Figure 1 Questionnaire form to persons who recognize abdominal symptoms due to intake of milk and dairy products. The questionnaire asks for the frequency and severity of LI symptoms, milk allergy, or other underlying diseases. There is also a brief introduction of our study to the subjects.