Research Article

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

Figure 4

Results of PCR with universal primer for bacterial 16S rRNA gene for 13 incubator samples. Line 2 is positive control (E. coli type strain ATCC 44338). Lines 1 and 9 are ladders (100–1000 bp). Lines 3, 4, 5, 8, 10, 11, 12, 13, 14, and 15 are positive samples. Lines 6, 7, and 13 are negative samples, and line 16 is negative control (water).