The search terms “penicillin$,” “cephalosporin$,” “allerg$,” “hypersensitivity,” and “cross-react$” were used (“$” indicates truncation, allowing for various endings). The terms were combined in the following search algorithm: “Penicillin$” AND …
Henan Lvyuan Pharmaceutical Co., Ltd.
6-aminopenicilanic acid(6-APA)|Ampicillin|Amoxicillin|semisynthetic penicillin series|7-ADCA|Cephalosporin series