Incorrect - the correct answer is:
b:
Fern Spore
Frederick Keeney
Philadelphia, PA, USA
Affiliation
The Wistar Institute
Technique

What is This?
Image 2 of 5
- Image 1 - incorrect
- Image 2 - current
- Image 3
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b:
Fern Spore
Philadelphia, PA, USA
The Wistar Institute

