. Ciba Foundation colloquia on ageing. Old age; Aging; Animals -- growth & development. Fig. 1. Newborn rats; left, control; Fig. 2. Rat embryos removed on the 20th day right, offspring of an STH-treated of gestation. Left, control; right, embryo of mother. STH-treated Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ciba Foundation; Wolstenholme, G. E. W. (Gordon Ethelbert Ward). Boston, Little, Brown

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Keywords: ., bookcentury1900, bookpublish, booksubjectaging, booksubjectoldage