Bollgren-Hjertqvist, I. The periurethral microflora. Stockholm: 1981 104 p.
Bollgren-Hjertqvist, I. The periurethral microflora. Stockholm: 1981 104 p.
Bollgren-Hjertqvist, I. (1981) The periurethral microflora, Stockholm: 104 p.
Bollgren-Hjertqvist, I. (1981). The periurethral microflora. Its nature and possible role in pathogenesis of urinary tract infections. Stockholm: 104 p.
Bollgren-Hjertqvist I. The periurethral microflora: Its nature and possible role in pathogenesis of urinary tract infections. Stockholm: 1981. p. 104 p.