SEARCH Articles Figures Tables Antibiotics - beta-lactams Antibiotics 3 lactam Antibiotics 8-lactamic Beta-lactam Beta-lactam antibiotics Antimicrobial agents Beta-lactam antibiotics Cephalosporins Penicillins Beta-lactam antibiotics amoxicillin/ampicillin) Beta-lactam antibiotics benzylpenicillin Beta-lactam antibiotics cephalosporins Beta-lactam antibiotics essential Beta-lactam antibiotics immediate hypersensitivity reactions Beta-lactam antibiotics meningitis Beta-lactam antibiotics resistance mechanisms Beta-lactams Gram-positive/negative bacteria beta-lactam antibiotics Penicillins Beta-lactam antibiotics Resistance beta-lactam antibiotics