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

Year Number of Results
1983 1
1984 2
1986 1
1987 1
2001 1
2023 0

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Page 1
Systemic toxicity of para-phenylenediamine.
El-Ansary EH, Ahmed ME, Clague HW. El-Ansary EH, et al. Lancet. 1983 Jun 11;1(8337):1341. doi: 10.1016/s0140-6736(83)92456-x. Lancet. 1983. PMID: 6134132 No abstract available.
Respiratory allergy to inhaled bat guano.
el-Ansary EH, Tee RD, Gordon DJ, Taylor AJ. el-Ansary EH, et al. Lancet. 1987 Feb 7;1(8528):316-8. doi: 10.1016/s0140-6736(87)92036-8. Lancet. 1987. PMID: 2880123
Problems of tuberculosis in decline.
Taylor KJ, El-Ansary EH, Earis JE. Taylor KJ, et al. Among authors: el ansary eh. Br Med J (Clin Res Ed). 1984 Jun 23;288(6434):1915. doi: 10.1136/bmj.288.6434.1915-b. Br Med J (Clin Res Ed). 1984. PMID: 6428603 Free PMC article. No abstract available.