Daniel Schachter, Ricky Kanee Schachter, Barry Long, Norman Shiffman, Robert Lester, Stephen Miller, Howard Bargman, Richard Haber, Jean Bourgouin,
Comparison of Metronidazole 1% Cream Versus Oral Tetracycline in Patients with Rosacea Drug Investigation. ,vol. 3, pp. 220- 224 ,(1991) ,
10.1007/BF03259568