@article{Sánchez-Páez2023, author = {Sánchez-Páez, D.A. and Masquelier, B. and Menashe-Oren, A. and Ololade, J. and Reniers, G.}, title= {Measuring under-5 mortality and fertility through mobile phone surveys: an assessment of selection bias in 34 low-income and middle-income countries}, year = {2023}, doi = {10.1136/bmjopen-2023-071791}, volume = {13}, pages = {e071791}, }