| What's the relative risk?: A method of correcting the odds ratio in cohort studies of common outcomes J Zhang, FY Kai Jama 280 (19), 1690-1691, 1998 | 4447 | 1998 |
| Mitigate the effects of home confinement on children during the COVID-19 outbreak G Wang, Y Zhang, J Zhao, J Zhang, F Jiang The lancet 395 (10228), 945-947, 2020 | 3093 | 2020 |
| Global, regional, and national estimates of levels of preterm birth in 2014: a systematic review and modelling analysis S Chawanpaiboon, JP Vogel, AB Moller, P Lumbiganon, M Petzold, ... The Lancet global health 7 (1), e37-e46, 2019 | 2951 | 2019 |
| The increasing trend in caesarean section rates: global, regional and national estimates: 1990-2014 AP Betrán, J Ye, AB Moller, J Zhang, AM Gülmezoglu, MR Torloni PloS one 11 (2), e0148343, 2016 | 2732 | 2016 |
| Pregnancy and childbirth outcomes among adolescent mothers: a W orld H ealth O rganization multicountry study T Ganchimeg, E Ota, N Morisaki, M Laopaiboon, P Lumbiganon, J Zhang, ... BJOG: An International Journal of Obstetrics & Gynaecology 121, 40-48, 2014 | 1249 | 2014 |
| WHO statement on caesarean section rates AP Betrán, MR Torloni, JJ Zhang, AM Gülmezoglu, HA Aleem, F Althabe, ... Bjog 123 (5), 667, 2016 | 1244 | 2016 |
| Contemporary patterns of spontaneous labor with normal neonatal outcomes J Zhang, HJ Landy, DW Branch, R Burkman, S Haberman, KD Gregory, ... Obstetrics & Gynecology 116 (6), 1281-1287, 2010 | 924 | 2010 |
| Use of the Robson classification to assess caesarean section trends in 21 countries: a secondary analysis of two WHO multicountry surveys JP Vogel, AP Betrán, N Vindevoghel, JP Souza, MR Torloni, J Zhang, ... The Lancet Global Health 3 (5), e260-e270, 2015 | 838 | 2015 |
| Respiratory morbidity in late preterm births JU Hibbard, I Wilkins, L Sun, K Gregory, S Haberman, M Hoffman, ... Jama 304 (4), 419-425, 2010 | 796 | 2010 |
| Contemporary cesarean delivery practice in the United States J Zhang, J Troendle, UM Reddy, SK Laughon, DW Branch, R Burkman, ... American journal of obstetrics and gynecology 203 (4), 326. e1-326. e10, 2010 | 735 | 2010 |
| What is the optimal rate of caesarean section at population level? A systematic review of ecologic studies AP Betran, MR Torloni, J Zhang, J Ye, R Mikolajczyk, C Deneux-Tharaux, ... Reproductive health 12, 1-10, 2015 | 701 | 2015 |
| Interventions to reduce unnecessary caesarean sections in healthy women and babies AP Betran, M Temmerman, C Kingdon, A Mohiddin, N Opiyo, MR Torloni, ... The Lancet 392 (10155), 1358-1368, 2018 | 580 | 2018 |
| Reassessing the labor curve in nulliparous women J Zhang, JF Troendle, MK Yancey American journal of obstetrics and gynecology 187 (4), 824-828, 2002 | 566 | 2002 |
| A global reference for fetal-weight and birthweight percentiles RT Mikolajczyk, J Zhang, AP Betran, JP Souza, R Mori, AM Gülmezoglu, ... The Lancet 377 (9780), 1855-1861, 2011 | 549 | 2011 |
| Severe maternal morbidity associated with hypertensive disorders in pregnancy in the United States J Zhang, S Meikle, A Trumble Hypertension in pregnancy 22 (2), 203-212, 2003 | 544 | 2003 |
| Association between rates of caesarean section and maternal and neonatal mortality in the 21st century: a worldwide population‐based ecological study with longitudinal data J Ye, J Zhang, R Mikolajczyk, MR Torloni, AM Gülmezoglu, AP Betran BJOG: An International Journal of Obstetrics & Gynaecology 123 (5), 745-753, 2016 | 521 | 2016 |
| Macrosomia in 23 developing countries: an analysis of a multicountry, facility-based, cross-sectional survey A Koyanagi, J Zhang, A Dagvadorj, F Hirayama, K Shibuya, JP Souza, ... The Lancet 381 (9865), 476-483, 2013 | 507 | 2013 |
| Bacterial vaginosis assessed by gram stain and diminished colonization resistance to incident gonococcal, chlamydial, and trichomonal genital infection RM Brotman, MA Klebanoff, TR Nansel, KF Yu, WW Andrews, J Zhang, ... Journal of Infectious Diseases 202 (12), 1907-1915, 2010 | 500 | 2010 |
| Maternal prepregnancy overweight and obesity and the pattern of labor progression in term nulliparous women A Vahratian, J Zhang, JF Troendle, DA Savitz, AM Siega-Riz Obstetrics & Gynecology 104 (5 Part 1), 943-951, 2004 | 473 | 2004 |
| Searching for the optimal rate of medically necessary cesarean delivery J Ye, AP Betrán, M Guerrero Vela, JP Souza, J Zhang Birth 41 (3), 237-244, 2014 | 468 | 2014 |
