The Sibley-Munroe checklist was a landmark document in the study of birds. It drew on extensive DNA-DNA hybridisation studies to reassess the relationships between modern birds.
... without aminopterin[?]
Amniotic bands[?]
Amoebiasis due to Entamoeba histolytica[?]
Amoebiasis due to free-living amoebae[?]
Ampola syndrome[?]
...