Friendly cautions to the heads of families and others, very necessary to be observed in order to preserve health and long life : with ample directions to nurses who attend the sick, women in child-bed, &c. : third edition with additions / by Robert Wallace Johnson, M.D.

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Friendly cautions to the heads of families and others, very necessary to be observed in order to preserve health and long life : with ample directions to nurses who attend the sick, women in child-bed, &c. : third edition with additions / by Robert Wallace Johnson, M.D. Public Domain Mark. Source: Wellcome Collection.

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