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Knoblauch, H., Busjahn, A. & Wegener, B. Monozygotic Twins Concordant for Female-to-Male Transsexualism: A Case Report. Arch Sex Behav 36, 135–137 (2007). https://doi.org/10.1007/s10508-006-9156-x
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DOI: https://doi.org/10.1007/s10508-006-9156-x