| http://www.w3.org/ns/prov#value | - ionHigh riskNot applicableAllocation concealmentHigh riskNot applicable Blinding All outcomes High riskNot applicableDavis 2001MethodsCase-control studyParticipants Vaccine Safety Datalink Project (VSDP), children enrolled from the 6th month Cases: cases of definite IDB (VSDP, n = 142) Controls: children matched for sex, HMO and birth year (n = 432) InterventionsExposure to MMR or other measles co
|
