The two species are not easily distinguished from one another without microscopic examination.
It is difficult to distinguish from related species without microscopic examination.
These species tend to be difficult to identify in the field and often require microscopic examination.
The diagnosis is made by microscopic examination of the stool.
The only way to tell is through microscopic examination.
It is usually noted on microscopic examination of a blood smear.
Intensive analysis wasn't possible, the sensors weren't designed for microscopic examination.
It will be sent to Washington for microscopic examination.
While most of the blood went to the laboratory, I saved a few drops for microscopic examination.
Microscopic examination of the tape surface readily revealed the cause.
Medizinwörterbuch für Ạ̈rzte und Krankenschwestern