title: The big bang--evolution of PHLS standard operating procedures.
authors.forename: E
authors.initials: E
authors.lastname: Barringer
authors.forename: V
authors.initials: V
authors.lastname: Bevan
mesh_terms: D000465:Algorithms; D019985:Benchmarking / Q000379:methods; D006801:Humans; D020407:Internet; D007753:Laboratories / Q000592:standards*; D008828:Microbiological Techniques / Q000592:standards*; D011635:Public Health Administration; D006113:United Kingdom