Não informado. (1986). Health Service Journal. Health and Social Service Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Health Service Journal. London: Health and Social Service Publications, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Health Service Journal. Health and Social Service Publications, 1986.
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