Which of the following scientific developments began in 1947?
1. Invented by Dr. Claude Beck the defibrillator the definitive treatment for the life-threatening cardiac conditions.
2. Zika virus first isolated from a rhesus macaque in the Zika Forest of Uganda.
3. Mary Barber publishes her classic paper on antibiotic resistance in Staphylococcus bacteria.
4. Charles Worthington founded...
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