09:29
SampleSizePower_S2013
23:36
HypothesisTesting_S2013
23:47
ErrorOverview_S2013
20:09
CrossSectionalEcologic_S2013
15:38
StudyDesignApplication_S2013
31:04
CohortStudies_S2013
26:12
HealthDataAndSources_S2013
47:34
Association_S2013-1
18:24
Impact_S2013
51:46
CumulativeIncidence_S2013
28:37
IncidenceDensity_S2013
22:55
ApplicationAnalyticTools_S13
40:46
QAQC_S2013
25:58
IntroBasicConcepts_S2013
14:48
Prevalence_S2013
17:43
ReviewEpiMeasures_S2013