Reference health
Hypothalamic-Pituitary-Testicular Axis Disruptions in Older Men Are Differentially Linked to Age and Modifiable Risk Factors: The European Male Aging Study
34/34 checkable references clean · checked 2026-07-22
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
9 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 34 checked references that resolve
resolves10.1093/oxfordjournals.epirev.a036194
Menopause: Its Epidemiology and Potential Association with Chronic Diseases
resolves10.1111/j.1365-2265.2004.02002.x
Age‐related changes in testosterone and the role of replacement therapy in older men
resolves10.1210/er.2004-0013
The Decline of Androgen Levels in Elderly Men and Its Clinical and Therapeutic Implications
resolves10.1210/jc.2005-2847
Testosterone Therapy in Adult Men with Androgen Deficiency Syndromes: An Endocrine Society Clinical Practice Guideline
resolves10.1210/jcem.84.10.6079
A Critical Evaluation of Simple Methods for the Estimation of Free Testosterone in Serum
resolves10.1210/en.2005-1356
An Ensemble Model of the Male Gonadal Axis: Illustrative Application in Aging Men
resolves10.1210/edrv-10-3-232
The Free Hormone Hypothesis: A Physiologically Based Mathematical Model*
resolves10.1210/jc.2007-0862
Age-Related Changes in Serum Testosterone and Sex Hormone Binding Globulin in Australian Men: Longitudinal Analyses of Two Geographically Separate Regional Cohorts
resolves10.1093/oxfordjournals.aje.a009519
Sex Hormones and Age: A Cross-sectional Study of Testosterone and Estradiol and Their Bioavailable Fractions in Community-dwelling Men
resolves10.1210/jcem-73-5-1016
Age, Disease, and Changing Sex Hormone Levels in Middle-Aged Men: Results of the Massachusetts Male Aging Study*
resolves10.1210/jcem-59-4-756
Leydig Cell Numbers, Daily Sperm Production, and Serum Gonadotropin Levels in Aging Men*
resolves10.1016/j.mce.2005.04.009
The decline in testosterone biosynthesis during male aging: A consequence of multiple alterations
resolves10.1016/S0026-0495(03)00072-6
Relationships in men of sex hormones, insulin, adiposity, and risk factors for myocardial infarction
resolves10.1210/jc.2006-1859
The Relative Contributions of Aging, Health, and Lifestyle Factors to Serum Testosterone Decline in Men
resolves10.1016/0039-128X(88)90136-5
Regulation of Sex Hormone Binding Globulin (SHBG) production in hep G2 cells by insulin
resolves10.1210/er.2005-0009
The Emerging Role of the Endocannabinoid System in Endocrine Regulation and Energy Balance
resolves10.1111/j.1365-2265.2006.02560.x
Body mass index, waist circumference and waist to hip ratio and change in sex steroid hormones: the Massachusetts Male Ageing Study
resolves10.1046/j.1365-2265.2002.01551.x
Long‐term effects of androgen deprivation therapy in prostate cancer patients
resolves10.1152/ajpendo.00227.2005
Aging attenuates both the regularity and joint synchrony of LH and testosterone secretion in normal men: analyses via a model of graded GnRH receptor blockade
resolves10.1210/edrv.18.3.0300
The Regulation of Thyroid Function in Pregnancy: Pathways of Endocrine Adaptation from Physiology to Pathology
resolves10.1530/eje.1.02241
The effect of changes in adiposity on testosterone levels in older men: longitudinal results from the Massachusetts Male Aging Study
resolves10.1210/jcem.74.4.1548361
Representativeness of a single point plasma testosterone level for the long term hormonal milieu in men
The 9 references without a DOI — listed, not checked
no DOI — not checkedTrends in aging—United States and worldwide
no DOI — not checked2020071614095038900_R7
no DOI — not checkedThe European Male Ageing Study (EMAS): design, methods and recruitment.
no DOI — not checked2020071614095038900_R13
no DOI — not checkedMeasures of bioavailable serum testosterone and estradiol and their relationships with muscle strength, bone density, and body composition in elderly men.
no DOI — not checkedTestosterone and estradiol among older men.
no DOI — not checkedAttenuated luteinizing hormone (LH) pulse amplitude but normal LH pulse frequency, and its relation to plasma androgens in hypogonadism of obese men.
no DOI — not checkedInfluence of some biological indexes on sex hormone-binding globulin and androgen levels in aging or obese males.
no DOI — not checkedAlcohol’s effects on male reproduction.
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carried a retraction notice at that time. It says nothing about the quality, findings,
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