Eric Walker added a number of topics and a number of links to Studies of antibiotic resistance genes, and added Studies of antibiotic resistance genes to Antibiotic resistance genes (ARGs)
Eric Walker added a number of links to University of Southern California study on antibiotic-resistance genes and the water purification process, and added University of Southern California study on antibiotic-resistance genes and the water purification process to Antibiotic resistance, wastewater and rivers and Studies of antibiotic resistance genes
Eric Walker added a number of topics and a number of links to Antibiotic resistance, wastewater and rivers, and added Antibiotic resistance, wastewater and rivers to Antibiotic resistance (ABR) and Water and the environment