## Abstract To investigate if polyomavirus infection during pregnancy is linked to development of neuroblastoma in the child, serum samples of 115 index mothers from the pregnancy where the child eventually developed neuroblastoma were identified and matched with serum samples from 8 control mother
The costs of human locomotion: Maternal investment in child transport
โ Scribed by Kramer, Patricia Ann
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 139 KB
- Volume
- 107
- Category
- Article
- ISSN
- 0002-9483
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โฆ Synopsis
This article investigates maternal investment in child carrying and presents a method for determining when it is energetically advantageous for a mother to carry her child rather than force her child to walk independently. I calculate maternal and child energy consumption while walking and develop correction factors to facilitate making these energy calculations for young children. In addition, I investigate the effect of maternal burdens in addition to the child and of external nutritional support on energy consumption. Since maternal energy is a finite resource, the ''decision'' to carry a child or force it to walk independently is especially important. This decision can be predicted from the body mass of the mother
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