American Journal of Roentgenology · 2009 · 50 citations · 23 references
The MR images, gross anatomic inspection, and histologic information led us to conclude that these anomalous structures were accessory heads of the biceps brachii muscle.
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Supernumerary humeral heads of the biceps brachii muscle revisited
Marc Rodríguez‐Niedenführ, Teresa Vázquez, David Choi et al. · Clinical Anatomy · 2003 · 92 citations
On Human Muscular Variations and their Relation to Comparative Anatomy.