TY  - GEN
AU  - Trojano,M
AU  - Pellegrini,F
AU  - Paolicelli,D
AU  - Fuiani,A
AU  - Di Renzo,V
TI  - observational studies: propensity score analysis of non-randomized data
SN  - 1352-8963
PY  - 2009///1211
KW  - Adjuvants, Immunologic
KW  - adverse effects
KW  - Antibodies, Monoclonal
KW  - therapeutic use
KW  - Antirheumatic Agents
KW  - Bias
KW  - Disability Evaluation
KW  - Humans
KW  - Multiple Sclerosis, Chronic Progressive
KW  - diagnosis
KW  - Multiple Sclerosis, Relapsing-Remitting
KW  - Observation
KW  - methods
KW  - Propensity Score
KW  - Randomized Controlled Trials as Topic
KW  - Treatment Outcome
N1  - Publication Type: Comparative Study; Journal Article
ER  -