Research Article

[Retracted] Contamination of Hospital Water Supplies in Gilan, Iran, with Legionella pneumophila, Escherichia coli, and Pseudomonas aeruginosa

Figure 2

Results of PCR with L. pneumophila: species specific primers for 13 incubator samples. Line 1 is positive control (L. pneumophila type strain NCTC 11192). Lines 2 and 7 are ladders (100–1000 bp). Lines 3, 4, 5, 6, 8, 10, and 11 are positive samples. Lines 9, 12, 13, 14, and 15 are negative samples and line 16 is negative control (water).