“…Dip-inoculation methods are used increasingly to help in the diagnosis of urinary tract infections (Mackey and Sandys, 1965;Guttmann and Naylor, 1967;Mackay-Scollay, 1969;Jacobs, Woods, and Ramsden, 1972). In all these methods a nutrient culture medium is allowed to come into transient contact with freshly voided urine.…”