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Ellis JT, Morrison DA, Avery D, Johnson AM.Ellis JT, et al. Among authors: johnson am.Parasitology. 1994 Sep;109 ( Pt 3):265-72. doi: 10.1017/s003118200007829x.Parasitology. 1994.PMID: 7970883
Jeffries AC, Amaro N, Tenter AM, Johnson AM.Jeffries AC, et al. Among authors: johnson am.Appl Parasitol. 1996 Dec;37(4):275-83.Appl Parasitol. 1996.PMID: 9060175
Tenter AM, Johnson MR, Johnson AM.Tenter AM, et al. Among authors: johnson mr, johnson am.J Parasitol. 1991 Apr;77(2):194-9.J Parasitol. 1991.PMID: 1826327