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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Durante las décadas de 1970 y 1980 se introdujeron las vacunas formuladas con proteínas purificadas o polisacáridos capsulares (16 gen 1970 anni – 23 gen 1990 anni)
Aggiunto al nastro di tempo:
line of time
By
victor
16 nov 2017
0
0
341
Data:
16 gen 1970 anni
23 gen 1990 anni
~ 20 years
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