https://www.mskcc.org/nomograms/prostate/psa_doubling_time
Prostate Cancer Nomograms: PSA Doubling Time | Memorial Sloan Kettering Cancer Center
This tool can be used to calculate the rate of rise of PSA, expressed as the velocity in nanograms/mL/year, or the PSA doubling time, in months or years.
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https://www.pearson.com/channels/calculators/doubling-time-calculator
Doubling Time Calculator | Growth Rate, Exponential Model, Rule of 70/72
Use our Doubling Time Calculator to find how long it takes a quantity to double under exponential growth. Calculate doubling time from a percent growth rate...
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https://www.thyroid.org/professionals/calculators/thyroid-cancer-carcinoma/
Calcitonin and Carcinoembryonic Antigen (CEA) Doubling Time Calculator | American Thyroid...
Calcitonin and Carcinoembryonic Antigen (CEA) Doubling Time Calculator Please note: Due to HIPAA regulations, the...
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