'Before antibiotics, the lung diseases collectively known as this killed about 1/3 of their victims'
pneumonia
WHAT AILS IA: Before antibiotics, the lung diseases collectively known as this killed about 1/3 of their victims
Before antibiotics, the lung diseases collectively known as this killed about 1/3 of their victims
Before antibiotics, the lung diseases collectively known as this killed about 1/3 of their victims
WHAT AILS "IA"
pneumonia
WHAT AILS "IA"