UMLS. CSP-HL7-ICD9CM-NCI-NDFRT-RXNORM
%
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
S S S- S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SY
SA SA2 SAA SAB SAC SAD SAE SAF SAG SAH SAI SAK SAL SAM SAN SAO SAP SAQ SAR SAS SAT SAU SAW SAX

Sample Size

[The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller, Biostatistics and Epidemiology, 1990, p95) ( MSH )]
UMLS (NCI) C0242618
 
Quantitative Concept

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