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

Year Number of Results
1976 1
1999 1
2009 1
2012 1
2023 0
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Page 1
Cervical ectopic pregnancy.
Heer JS, Chao DK, McPheeters RA. Heer JS, et al. Among authors: chao dk. West J Emerg Med. 2012 Feb;13(1):125-6. doi: 10.5811/westjem.2011.5.6774. West J Emerg Med. 2012. PMID: 22461945 Free PMC article. No abstract available.
Metabolism of tripelennamine in man.
Chaudhuri NK, Servando OA, Manniello MJ, Luders RC, Chao DK, Bartlett MF. Chaudhuri NK, et al. Among authors: chao dk. Drug Metab Dispos. 1976 Jul-Aug;4(4):372-8. Drug Metab Dispos. 1976. PMID: 8293