NCBI PubMed Central
open access
Recruitment process for studying occupational and environmental chemical exposures in a birth cohort study in Ecuador: challenges dealing with a stratified sample.
Conceptio Open Archive
Analyze & explore related research in Conceptio
Connect this record directly into your research workflow or AI agent. Explore citations across open repositories, query full text, and export structured proof bundles.
This document is indexed with metadata only: full text is not available in the archive for this record. Open the official source ↗
Related documents
- Cohort Profile: The Hertfordshire Cohort Study#421858
- Recuperación de los Medios de Vida de las Familias Rurales Afectadas por el Fenómeno del Niño Costero en la Provincia de Manabí, Ecuador - TCP/ECU/4001#676495
- Multiple maternal occupational exposures during pregnancy and newborn size at birth: analysis of the ELFE cohort, a French longitudinal study of children#971043
- Millennium Cohort Study: Age 5, Sweep 3, 2006#207764
- Millennium Cohort Study: Age 9 months, Sweep 1, 2001#207756
Record · ID 265678
Retrieved via Conceptio: every document is proof-bundled with source, license, and retrieval metadata.
Retrieved via Conceptio: every document is proof-bundled with source, license, and retrieval metadata.
Bring this data into your agent: Connect via MCP or API · 20 free credits to start · no card required
Read the Docs → · View CLI source on GitHub · Conceptio Open Knowledge Archive
Read the Docs → · View CLI source on GitHub · Conceptio Open Knowledge Archive