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Cryptorchidism
Male Infertility
Sperm Count
Cohort Studies
Age Factors
Time Factors
Retrospective Studies
Logistic Models
Risk Factors
Fertility
Marriage
Life Style
Questionnaires
Inhibins
Follicle Stimulating Hormone
Testosterone
Luteinizing Hormone
Testis
Paternity
Infants
Co-Publications
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