From cowpox to antibiotics:
Ballard, Carol
From cowpox to antibiotics: discovering vaccines and medicines/ Carol Ballard - Oxford: Harcourt Education Ltd. 2006 - 64 pages 22 cm.
978-043-118-598-9
Antibiotics
Vaccinations
From cowpox to antibiotics: discovering vaccines and medicines/ Carol Ballard - Oxford: Harcourt Education Ltd. 2006 - 64 pages 22 cm.
978-043-118-598-9
Antibiotics
Vaccinations