Author

Rafael Franco Soares Oliveira

Universidade Politécnica de SantarémORCID 0000-0001-6671-6229Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Developmental Biology· 1

Signature Assays, Organisms & Methods

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Organism:human· 1 Approach:statistical model· 1

Frequent Co-Authors

António José FigueiredoiD· 1 shared Ebrahim EskandarifardiD· 1 shared Hadi NobarıiD· 1 shared Mehdi KargarfardiD· 1 shared Seyed Abbas Afsanepurak· 1 shared

Activity by Year

2026-2026 · peak 1/yr

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5 top collaborators · 10 mutual co-author links

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1 shared paperDevelopmental Biology

António José FigueiredoORCID

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1 paper

Recent·Most cited

Developmental BiologybioRxivPreprintJun 12, 2026

Age-Group Differences in Skeletal Age, Anabolic Hormones, and Physical Fitness in Elite Youth Football Players from Under-13 to Under-16

Ebrahim Eskandarifard, Mehdi Kargarfard, Rafael Franco Soares Oliveira…·António José Figueiredo

This study compares skeletal age, growth hormones, and physical fitness across age groups of elite youth football players, finding increases in skeletal age, fitness, and IGF-1 with age, but no change in GH.

DOI 10.64898/2026.06.11.731548

humanstatistical model

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