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Selection in utero against male twins in the <scp>U</scp>nited <scp>S</scp>tates early in the <scp>COVID</scp>‐19 pandemic

Research article (American Journal of Human Biology, 2022) · cited 13× · AI/ML
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Selection in utero against male twins in the United States early in the COVID‐19 pandemic

Summary

Selection in utero against male twins in the United States early in the COVID‐19 pandemic is a scholarly article[1].

Key Facts

  • Selection in utero against male twins in the United States early in the COVID‐19 pandemic's instance of is recorded as scholarly article[2].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Selection in utero against male twins in the <scp>U</scp>nited <scp>S</scp>tates early in the <scp>COVID</scp>‐19 pandemic. Retrieved May 24, 2026, from https://4ort.xyz/entity/selection-in-utero-against-male-twins-in-the-scp-u-scp-nited-scp-s-scp-tates-early-in-the-scp-covid-scp-19-pandemic
MLA “Selection in utero against male twins in the <scp>U</scp>nited <scp>S</scp>tates early in the <scp>COVID</scp>‐19 pandemic.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/selection-in-utero-against-male-twins-in-the-scp-u-scp-nited-scp-s-scp-tates-early-in-the-scp-covid-scp-19-pandemic.
BibTeX @misc{4ortxyz_selection-in-utero-against-male-twins-in-the-scp-u-scp-nited-scp-s-scp-tates-early-in-the-scp-covid-scp-19-pandemic_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Selection in utero against male twins in the <scp>U</scp>nited <scp>S</scp>tates early in the <scp>COVID</scp>‐19 pandemic}}, year = {2026}, url = {https://4ort.xyz/entity/selection-in-utero-against-male-twins-in-the-scp-u-scp-nited-scp-s-scp-tates-early-in-the-scp-covid-scp-19-pandemic}, note = {Accessed: 2026-05-24}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Selection in utero against male twins in the <scp>U</scp>nited <scp>S</scp>tates early in the <scp>COVID</scp>‐19 pandemic — https://4ort.xyz/entity/selection-in-utero-against-male-twins-in-the-scp-u-scp-nited-scp-s-scp-tates-early-in-the-scp-covid-scp-19-pandemic (retrieved 2026-05-24)

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