“…These children might be expected to do least well. Any underlying abnormality predisposes to recurrences, and patients with these repeated infections would be liable to chronic pyelonephritic scarring (Kleeman et al, 1960;Rosenheim, 1963). Moreover, experimental evidence suggests that such scarring would be likely to facilitate further renal infection (De Navasquez, 1956;Beeson et al, 1957).…”