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Acknowledgements
We thank the Johns Hopkins Oncology Center Cell Imaging Core Facility for help with photography. This work was supported by the Clayton Fund and National Institutes of Health grants CA 57345, CA 43460 and CA 62924.
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Shih, IM., Torrance, C., Sokoll, L. et al. Assessing tumors in living animals through measurement of urinary β-human chorionic gonadotropin. Nat Med 6, 711–714 (2000). https://doi.org/10.1038/76299
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DOI: https://doi.org/10.1038/76299
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