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Lack of endotoxin in Borrelia hispanica and Treponema pallidum.
Hardy PH Jr, Levin J. Hardy PH Jr, et al. Proc Soc Exp Biol Med. 1983 Oct;174(1):47-52. doi: 10.3181/00379727-174-41702. Proc Soc Exp Biol Med. 1983. PMID: 6356134
Macrophages in immunity to syphilis: suppressive effect of concurrent infection with Mycobacterium bovis BCG on the development of syphilitic lesions and growth of Treponema pallidum in tuberculin-positive rabbits.
Hardy PH Jr, Graham DJ, Nell EE, Dannenberg AM Jr. Hardy PH Jr, et al. Infect Immun. 1979 Nov;26(2):751-63. doi: 10.1128/IAI.26.2.751-763.1979. Infect Immun. 1979. PMID: 397934 Free PMC article.
Isolation and antigenic characteristics of axial filaments from the Reiter Treponeme.
Hardy PH Jr, Fredericks WR, Nell EE. Hardy PH Jr, et al. Infect Immun. 1975 Feb;11(2):380-6. doi: 10.1128/IAI.11.2.380-386.1975. Infect Immun. 1975. PMID: 803472 Free PMC article.
Effects of passive immunization on experimental syphilis in the rabbit.
Turner TB, Hardy PH Jr, Newman B, Nell EE. Turner TB, et al. Among authors: hardy ph jr. Johns Hopkins Med J. 1973 Nov;133(5):241-51. Johns Hopkins Med J. 1973. PMID: 4586309 No abstract available.
The use of freeze-preserved treponemes in the Treponema pallidum immobilization test.
Nell EE, Hardy PH Jr. Nell EE, et al. Among authors: hardy ph jr. Cryobiology. 1972 Oct;9(5):404-10. doi: 10.1016/0011-2240(72)90157-5. Cryobiology. 1972. PMID: 4568153 No abstract available.
Factors influencing colonisation and antibiotic-resistance patterns of gram-negative bacteria in hospital patients.
Pollack M, Charache P, Nieman RE, Jett MP, Reimhardt JA, Hardy PH Jr. Pollack M, et al. Among authors: hardy ph jr. Lancet. 1972 Sep 30;2(7779):668-71. doi: 10.1016/s0140-6736(72)92084-3. Lancet. 1972. PMID: 4115815 No abstract available.
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