"The organic chemistry of B-lactams"@en . . . . . . . . . . . . "Aufsatzsammlung" . "The organic chemistry of ß [beta]-lactams" . . . . "The Organic chemistry of b [beta]-lactams" . . . . . . "The organic chemistry of beta-lactams" . . . "The organic chemistry of \"beta\"-lactams" . . . . . "The organic chemistry of ß-lactams" . . . . . "The organic chemistry of Beta-lactams" . "Organic chemistry of beta-lactams" . . . . "The organic chemistry of [beta]-lactams" . . "Lactamas." . . . . "Beta lactam antibiotics Synthesis" . . "Anti-Bacterial Agents." . . "Lactame (beta-)" . . "Lactams." . . "Lactames." . . "Antibactériens." . . "Beta lactam antibiotics Structure-activity relationships" . . "Lactame <beta->" . . "Lactame." . .