OOIR: Observatory of International Research

Papers

(The H4-Index of Biological Trace Element Research is 31. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-05-01 to 2025-05-01.)

Article	Citations
The Association Between Blood Lead Levels and Urgency Urinary Incontinence Among Adult Females: A Retrospective Study Based on NHANES 2005–2020	213
Serum Selenium Levels and Lipid Profile: A Systematic Review and Meta-analysis of Observational Studies	128
High Blood Cu/Zn Ratio is Associated with Nutritional Risk in Patients Undergoing Maintenance Hemodialysis	89
Mitochondrion Participated in Effect Mechanism of Manganese Poisoning on Heat Shock Protein and Ultrastructure of Testes in Chickens	77
Overweight and Obesity Are Positively Associated with Serum Copper Levels in Mexican Schoolchildren	74
Evolution of Vitamin D Status and Vitamin D Receptor Gene Expression Among Professional Handball Athletes During a Competitive Period. Relationship with Body Composition, Calcium, Magnesium and Phosph	69
High Levels of 25-OH-Vitamin D and Copper in Pregnant Women with Abnormal Glucose Challenge Test	69
Enhanced Extracellular Matrix Degradation in Growth Plate Contributes to Manganese Deficiency-Induced Tibial Dyschondroplasia in Broiler Chicks	69
Association of Exposure to Heavy Metal Mixtures with Systemic Immune-Inflammation Index Among US Adults in NHANES 2011–2016	61
Microchemistry of Single Hair Strands Below and Above the Scalp: Impacts of External Contamination on Cuticle and Cortex Layers	58
Summer Season-Related Heat Stress Affects the Mineral Composition of Holstein Dams’ Colostrum, and Neonatal Calves’ Mineral Status and Hematological Profile	54
Cross-sectional and Longitudinal Associations Between Metal Mixtures and Serum C3, C4: Result from the Manganese‑exposed Workers Healthy Cohort	52
Effects of Organic Zinc on the Growth Performance of Weanling Pigs: A Meta-analysis	51
Iron-Enriched Fish Powder Improved Haemoglobin Levels in Adolescent Girls of West Jaintia Hills District of Meghalaya, India	51
Selenium Injection in Dam Rabbits During Gestation Has Important Effects on Progeny Productive Performance	49
ZnT 9 Involvement in Estradiol-Modulated Zinc Homeostasis of the Human Follicular Microenvironment	46
Aluminum Concentrations in Breast Milk Samples Obtained from Breastfeeding Women from a Resource-Limited Country: A Study of the Predicting Factors	43
Effect of Chromium Supplementation on Serum Levels of Inflammatory Mediators: An Updated Systematic Review and Meta-analysis on Randomized Clinical Trials	42
Nanocidal Effect of Rice Husk–Based Silver Nanoparticles on Antioxidant Enzymes of Aphid	41
Correction to: Evaluation of Cadmium or Lead Exposure with Nannochloropsis oculata Mitigation on Productive Performance, Biochemical, and Oxidative Stress Biomarkers in Barki Rams	40
Elemental Analysis of Basella alba, Spinacia oleracea, Abelmoschus esculentus (L.), Ipomoea aquatica, Colocasia esculenta, Amaranthus dubius, and Raphanus sativus Vegetables Using the PIXE Technique i	40
Correction to: In Vitro Evaluation of the Apoptotic, Autophagic, and Necrotic Molecular Pathways of Fluoride	39
Environmental Factors Influencing Metal Concentrations in Scomber colias Along the Canary Islands	37
Correction to: Assessing the Cytotoxicity of TiO2−x Nanoparticles with a Different Ti3+(Ti2+)/Ti4+ Ratio	34
Bioaccumulation of Lead and Mercury in Water, Sediment, and Fish Samples of Baraila Lake, Vaishali, Bihar	34

Serum Levels of Trace Elements (Magnesium, Iron, Zinc, Selenium, and Strontium) are Differentially Associated with Surrogate Markers of Cardiovascular Disease Risk in Patients with Rheumatoid Arthriti	34
Effect of Seasonality on the Contamination of Mussels (Perna perna) and Swimming Crabs (Achelous spinimanus) by Essential and Toxic Metals and the Health Risks of the Consumer Population on the Southe	33
Combined Effect of Gamma Radiation and Heavy Metals on Some Living Organisms	33
Elemental Composition of Pheochromocytoma Resolved on Solid/Adrenal Tissue and Whole Blood Level	32
Lamb Performance and Meat Quality: The Impact of Chromium in High-Concentrate Diets and Its Molecular Effects on Skeletal Muscle During Finishing Phase	32
Deterministic and Probabilistic Risk Assessment of Elemental Composition in Pistachios and Hazelnuts from Iran	32
The Effect of Selenium on Endometrial Repair in Goats with Endometritis at High Cortisol Levels	31
Exposure to Multiple Metal(loid)s and Hypertension in Chinese Older Adults	31
Analysis of Heavy Metal Characteristics and Health Risk Assessment of Dried Fish Marketed in Guangzhou, China	31
Gelatinase MMP Expression Is Correlated with Muscle Fiber Growth in Maiwa Yak Gluteus Maximus	31