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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1971 1
1989 1
2000 1
2003 1
2021 0
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4 results
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Page 1
The growth of genetically modified foods.
Heppenheimer TA. Heppenheimer TA. Am Herit Invent Technol. 2003 Summer;19(1):16-25. Am Herit Invent Technol. 2003. PMID: 12841195 No abstract available.
Medical imaging: The inside story.
Heppenheimer TA. Heppenheimer TA. Am Herit Invent Technol. 2000 Winter;15(3):54-63. Am Herit Invent Technol. 2000. PMID: 15095756 No abstract available.
The space shuttle.
Heppenheimer TA. Heppenheimer TA. Science. 1971 Nov 12;174(4010):646-8. doi: 10.1126/science.174.4010.646. Science. 1971. PMID: 17777322 No abstract available.