Sampson, W. (2002). Oncologist who stood up to US insurance companies lost work. BMJ.
शिकागो स्टाइल उद्धरणSampson, Wallace. Oncologist Who Stood Up to US Insurance Companies Lost Work. BMJ, 2002.
एमएलए उद्धरणSampson, Wallace. Oncologist Who Stood Up to US Insurance Companies Lost Work. BMJ, 2002.
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