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Athey P, Harle TS, Roehm J, Fred HL.Athey P, et al. Among authors: fred hl.South Med J. 1970 Aug;63(8):971-4. doi: 10.1097/00007611-197008000-00019.South Med J. 1970.PMID: 5454856No abstract available.
Green JD, Fred HL, Blakely RW, North LB, Harle TS.Green JD, et al. Among authors: fred hl.Am Fam Physician. 1970 Dec;2(6):77-9.Am Fam Physician. 1970.PMID: 5483288No abstract available.
Schweppe HI Jr, Harle TS, Fred HL, Suzuki M.Schweppe HI Jr, et al. Among authors: fred hl.Tex Med. 1968 Jul;64(7):57-62.Tex Med. 1968.PMID: 5662239No abstract available.