(Q37736717)
Statements
1 reference
Eradication of poliomyelitis: progress in the Americas (English)
1 reference
De Quadros CA
1 reference
Andrus JK
1 reference
Olivé JM
1 reference
Da Silveira CM
1 reference
Eikhof RM
1 reference
Carrasco P
1 reference
Fitzsimmons JW
1 reference
Pinheiro FP
1 reference
1 March 1991
1 reference
1 reference
10
1 reference
3
1 reference
222-229
1 reference
Identifiers
1 reference