Eric Walker added Evaluating the Role of New Beta-Lactam Agents for Uncommon Pathogens to a number of topics

Eric Walker added a number of links to Piperacillin-tazobactam, and added Piperacillin-tazobactam to Piperacillin and Tazobactam

Eric Walker added Piperacillin-tazobactam and Evaluating the Role of New Beta-Lactam Agents for Uncommon Pathogens to Piperacillin, and added Piperacillin to Ureidopenicillins

Eric Walker added Piperacillin to Ureidopenicillins, and added Ureidopenicillins to Penicillin antibiotics