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

Year Number of Results
1964 2
1965 1
1966 1
1968 1
1969 1
1974 1
1977 1
1979 1
2023 1
2024 0

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Page 1
CHARDACK WM, GAGE AA, FEDERICO AJ, SCHIMERT G, GREATBATCH W. CHARDACK WM, et al. Among authors: federico aj. Ann N Y Acad Sci. 1964 Jun 11;111:1075-92. doi: 10.1111/j.1749-6632.1964.tb53175.x. Ann N Y Acad Sci. 1964. PMID: 14206797 No abstract available.
The long-term treatment of heart block.
Chardack WM, Gage AA, Federico AJ, Schimert G, Greatbatch W. Chardack WM, et al. Among authors: federico aj. Prog Cardiovasc Dis. 1966 Sep;9(2):105-35. doi: 10.1016/s0033-0620(66)80001-4. Prog Cardiovasc Dis. 1966. PMID: 5954620 No abstract available.
Surgery for acute myocardial infarction.
Lajos TZ, Greene DG, Bunnell IL, Falsetti HL, Federico AJ, Schimert G. Lajos TZ, et al. Among authors: federico aj. Ann Thorac Surg. 1969 Nov;8(5):452-7. doi: 10.1016/s0003-4975(10)66075-4. Ann Thorac Surg. 1969. PMID: 5353460 No abstract available.
Isotopic cardiac pacemaker: clinical use.
Gage AA, Chardack WM, Federico AJ. Gage AA, et al. Among authors: federico aj. Arch Surg. 1974 Nov;109(5):671-5. doi: 10.1001/archsurg.1974.01360050065015. Arch Surg. 1974. PMID: 4429449 No abstract available.