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adolescent
article
controlled study
female
4
human
major clinical study
nonhuman
Adolescent
2
Adult
2
Argentina
2
Biological Markers
2
Case-Control Studies
2
Children
2
Epidemiology
2
Female
2
Follicle Stimulating Hormone
2
H pylori
2
Helicobacter infection
2
Helicobacter pylori
2
Humans
2
Immunoglobulins
2
Middle Aged
2
Ovarian Failure, Premature
2
Predictive Value of Tests
2
Prevalence
2
Receptors, FSH
2
Urea breath test
2
adult
2
animal tissue
2
bacterial colonization
2
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1
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2
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3JOUR
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4