𝔖 Bobbio Scriptorium
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Association of peptic ulcer with pharyngeal diverticulum

✍ Scribed by P. R. Slade


Publisher
John Wiley and Sons
Year
1954
Tongue
English
Weight
210 KB
Volume
41
Category
Article
ISSN
0007-1323

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Expected survival compared with survival
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In analyses of patient survival it is often desirable to compare observed survival curves with expected survival curves based on information obtained from the general population. However, current methods of calculating expected survival curves are difficult to interpret and are often poorly document