Statistical Analysis / Survival Analysis / Reproductive health / Mexico City / Lead Exposure / Risk factors / Public health systems and services research / First Year / Risk Factors / Confidence Interval / Risk factors / Public health systems and services research / First Year / Risk Factors / Confidence Interval
Cognitive development / Lead / Lead Exposure / Lead Poisoning / Differential Diagnosis / Public health systems and services research / Indexation / Health Effect / Abdominal Pain / Public health systems and services research / Indexation / Health Effect / Abdominal Pain
Cognitive development / Lead / Lead Exposure / Lead Poisoning / Differential Diagnosis / Public health systems and services research / Indexation / Health Effect / Abdominal Pain / Public health systems and services research / Indexation / Health Effect / Abdominal Pain