| P50 | author | Helen Rees | Q28822985 |
| | Jared M Baeten | Q89443633 |
| | Nelly Mugo | Q90832458 |
| P2093 | author name string | James Kiarie | |
| | Timothy D Mastro | |
| | ECHO Trial Consortium | |
| P2860 | cites work | Hormonal contraception and the risk of HIV acquisition: an individual participant data meta-analysis | Q21144588 |
| | Use of hormonal contraceptives and risk of HIV-1 transmission: a prospective cohort study | Q35699938 |
| | Next steps for research on hormonal contraception and HIV. | Q43568092 |
| | Increased Risk of Female HIV-1 Acquisition Throughout Pregnancy and Postpartum: A Prospective Per-coital Act Analysis Among Women with HIV-1 Infected Partners. | Q54260529 |
| | HIV incidence among women using intramuscular depot medroxyprogesterone acetate, a copper intrauterine device, or a levonorgestrel implant for contraception: a randomised, multicentre, open-label trial | Q92781175 |
| P433 | issue | 10222 | |
| P407 | language of work or name | English | Q1860 |
| P304 | page(s) | e27 | |
| P577 | publication date | 2020-02-01 | |
| P1433 | published in | The Lancet | Q939416 |
| P1476 | title | ECHO: context and limitations - Authors' reply | |
| P478 | volume | 395 | |