Title: Lead poisoning as a differential diagnosis in pediatric patients with chronic abdominal
pain: A case-control study in Tehran#Iran
Version: 3 Date: 28 Sep 2023
Reviewer:  Ahed J Alkhatib
Reviewer's report:
Abstract:
- The metod's section did not include  study design,sample size, sampling technique, analytical
method of lead,  and statistical analysis.
- The first part of conclusion is difficult to be mentioned as it is, instead of that, lead poisoning
should be investigated.
Background:
- It will be useful for the readers if the authors added two paragraphs about lead levels  in globally
and another paragraph about heavy metal poisoning in Iran including lead.
Methods:
- Sample size was not determined in this section.
- sampling technique was not mentioned in this section.
References:
Most references are old, please try to update them
Title: Lead poisoning as a differential diagnosis in pediatric patients with chronic abdominal
pain: A case-control study in Tehran#Iran
Version: 3 Date: 28 Sep 2023
Reviewer:  Ahed J Alkhatib
Reviewer's report:
Abstract:
- The metod's section did not include  study design,sample size, sampling technique, analytical
method of lead,  and statistical analysis.
- The first part of conclusion is difficult to be mentioned as it is, instead of that, lead poisoning
should be investigated.
Background:
- It will be useful for the readers if the authors added two paragraphs about lead levels  in globally
and another paragraph about heavy metal poisoning in Iran including lead.
Methods:
- Sample size was not determined in this section.
- sampling technique was not mentioned in this section.
References:
Most references are old, please try to update them
Please review this paper.
user
Title: Lead poisoning as a differential diagnosis in pediatric patients with chronic abdominal
pain: A case-control study in Tehran#Iran
Version: 3 Date: 28 Sep 2023
Reviewer:  Ahed J Alkhatib
Reviewer's report:
Abstract:
- The metod's section did not include  study design,sample size, sampling technique, analytical
method of lead,  and statistical analysis.
- The first part of conclusion is difficult to be mentioned as it is, instead of that, lead poisoning
should be investigated.
Background:
- It will be useful for the readers if the authors added two paragraphs about lead levels  in globally
and another paragraph about heavy metal poisoning in Iran including lead.
Methods:
- Sample size was not determined in this section.
- sampling technique was not mentioned in this section.
References:
Most references are old, please try to update them
assistant