Do Sulphonamide-trimethoprim Combinations Select Less Resistance to Trimethoprim than the Use of Trimethoprim Alone? Lacey, R. W.,, 15, 403-427 (1982), doi = https://doi.org/10.1099/00222615-15-4-403, publicationName = Microbiology Society, issn = 0022-2615, abstract= , language=, type=