52

On the relationships among headache symptoms

Year:
1982
Language:
english
File:
PDF, 976 KB
english, 1982
62

Imputation of missing longitudinal data: a comparison of methods

Year:
2003
Language:
english
File:
PDF, 246 KB
english, 2003
80

Accounting for Missing Data in End-of-Life Research

Year:
2005
Language:
english
File:
PDF, 76 KB
english, 2005
84

Selected Statistical Issues in Group Randomized Trials

Year:
2001
Language:
english
File:
PDF, 255 KB
english, 2001
85

Public Health Surveillance of Low-Frequency Populations

Year:
2004
Language:
english
File:
PDF, 375 KB
english, 2004