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Hassell JR, Pennypacker JP, Yamada KM, Pratt RM.Hassell JR, et al.Ann N Y Acad Sci. 1978 Jun 20;312:406-9. doi: 10.1111/j.1749-6632.1978.tb16820.x.Ann N Y Acad Sci. 1978.PMID: 291372No abstract available.
Lewis CA, Pratt RM, Pennypacker JP, Hassell JR.Lewis CA, et al. Among authors: hassell jr.Dev Biol. 1978 May;64(1):31-47. doi: 10.1016/0012-1606(78)90058-1.Dev Biol. 1978.PMID: 566229No abstract available.
Hassell JR, Newsome DA.Hassell JR, et al.Ann N Y Acad Sci. 1981 Feb 27;359:358-65. doi: 10.1111/j.1749-6632.1981.tb12760.x.Ann N Y Acad Sci. 1981.PMID: 6942680No abstract available.