Radiation dosage measured in greys

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Can someone confirm or debunk this? They're talking about russian soldiers hanging out in ditches they dug in Chernobyl. So that journal linked says the highest dose received via soil sample would be 1750 micro gy per hour. Since gy is measured per kilogram of the subjected organism. Wouldn't you multiply the 1750 micro gy * body weight in kilograms? So a man who weighs 200 kilograms would receive twice the dose in gy as a man who weighs 100 kilograms?