@article{85601a54638a4b0ab3984dc3f4ba7f40,
title = "ECHO: context and limitations",
keywords = "Contraception, Female, HIV Infections, Humans, Incidence, Intrauterine Devices, Copper, Levonorgestrel, Medroxyprogesterone Acetate",
author = "Gollub, \{Erica L\} and Zena Stein and \{van de Wijgert\}, \{Janneke H H M\} and Heidi Jones and Lauren Ralph and Nancy Padian",
note = "Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",
year = "2020",
month = feb,
day = "8",
doi = "10.1016/S0140-6736(19)33108-3",
language = "English",
volume = "395",
journal = "The Lancet",
issn = "0140-6736",
publisher = "Elsevier",
number = "10222",
}