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Arctic medicine. Tropical medicine
2
Medicine
2
Public aspects of medicine
2
R
2
RA1-1270
2
RC955-962
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Haemophilus influenzae
1
Mexico
1
México
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Rotavirus
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Vaccination
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análisis costo-beneficio
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combined
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cost-benefit analysis
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diphtheria-tetanus-pertussis vaccine
1
gastroenteritis
1
hepatitis B
1
inmunización masiva
1
mass immunization
1
rotavirus vaccines
1
vaccines
1
vacunas contra rotavirus
1
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