References
Key articles
Gibson SJ, Helme RD. Age-related differences in pain perception and report. Clin Geriatr Med. 2001 Aug;17(3):433-56, v-vi. Abstract
Monnet X, Marik P, Teboul JL. Passive leg raising for predicting fluid responsiveness: a systematic review and meta-analysis. Intensive Care Med. 2016 Dec;42(12):1935-47. Abstract
Kamaruzzaman S, Watt H, Carson C, et al. The association between orthostatic hypotension and medication use in the British Women's Heart and Health Study. Age Ageing. 2010 Jan;39(1):51-6. Abstract
Reference articles
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