...
- Escherichia coli serogroup O (organism)| (Parent)
- E coli serogroup O undetermined: H (organism) (Child)
- Escherichia coli serogroup O undetermined:H19 (organism) (Child)
- E coli serogroup O undetermined: H (organism) (Child)
Reference: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1183322/pdf/2363-04.pdf