Fig. 4From: Long-term trend of antibiotic use at public health care institutions in northwest China, 2012–20 —— a case study of Gansu Provincea J01C (beta-lactam antibacterials, penicillins) use at public hospitals in Gansu, 2012–20. b J01D (other beta-lactam antibacterials, cephalosporins) use at public hospitals in Gansu, 2012–20. c J01F (macrolides, lincosamides and streptogramins) use at public hospitals in Gansu, 2012–20Back to article page