| 723318 | BMJ OPEN | Early warning and rapid public health response to prevent COVID-19 outbreaks in long-term care facilities (LTCF) by monitoring SARS-CoV-2 RNA in LTCF site-specific sewage samples and assessment of antibodies response in this population: prospective study | 2021-08-01 | 10.1136/bmjopen-2021-052282 | Lee Bonita E, Sikora Christopher, Faulder Douglas, Risling Eleanor, Little Lorie A, Qiu Yuanyuan, Gao Tiejun, Bulat Ross, Craik Stephen, Hrudey Steve E, Ohinmaa Arto, Estabrooks Carole A, Gingras Anne-Claude, Charlton Carmen, Kim John, Wood Heidi, Robinson Alyssia, Kanji Jamil N, Zelyas Nathan, O’Brien Sheila F, Drews Steven, Pang Xiao-Li | 
         
      | 723317 | BMJ OPEN | Mental health condition of college students compared to non-students during COVID-19 lockdown: the CONFINS study | 2021-08-01 | 10.1136/bmjopen-2021-053231 | Arsandaux Julie, Montagni Ilaria, Macalli Mélissa, Texier Nathalie, Pouriel Mathilde, Germain Raphaël, Mebarki Adel, Kinouani Shérazade, Tournier Marie, Schuck Stéphane, Tzourio Christophe | 
         
      | 723316 | BMJ OPEN | Protocol for the National Nurse Health Study (NNHS): a web-based ambispective cohort study | 2021-08-01 | 10.1136/bmjopen-2021-049958 | Zhuo Lin, Zhang Heli, Geng Rongmei, Wang Panfeng, Zeng Lin, Che Ying, Wang Peng, Li Pengfei, Huang Tao, Li Baohua, Zhan Siyan | 
         
      | 723315 | BMJ OPEN | Effects of moxibustion on reproduction and metabolism of polycystic ovary syndrome: a protocol for meta-analysis and systematic review | 2021-08-01 | 10.1136/bmjopen-2021-049039 | Xu Kou, Wang Jiajie, Hu Feng, Lv Siying, Zhang Yanji, Yang Qiqi, Huang Wei, Zhou Zhongyu | 
         
      | 723314 | BMJ OPEN | Impact of surgeon and anaesthesiologist sex on patient outcomes after cardiac surgery: a population-based study | 2021-08-01 | 10.1136/bmjopen-2021-051192 | Sun Louise Y., Boet Sylvain, Chan Vincent, Lee Douglas S., Mesana Thierry G., Bader Eddeen Anan, Etherington Cole | 
         
      | 723313 | BMJ OPEN | Factors influencing the effectiveness of remote patient monitoring interventions: a realist review | 2021-08-01 | 10.1136/bmjopen-2021-051844 | Thomas Emma E, Taylor Monica L, Banbury Annie, Snoswell Centaine L, Haydon Helen M, Gallegos Rejas Victor M, Smith Anthony C, Caffery Liam J | 
         
      | 723312 | BMJ OPEN | What work-related exposures are associated with post-traumatic stress disorder? A systematic review with meta-analysis | 2021-08-01 | 10.1136/bmjopen-2021-049651 | Coenen Pieter, van der Molen Henk F | 
         
      | 723311 | BMJ OPEN | Accuracy of emergency medical services (EMS) telephone triage in identifying acute coronary syndrome (ACS) for patients with chest pain: a systematic literature review | 2021-08-01 | 10.1136/bmjopen-2020-045815 | Alotaibi Ahmed, Alghamdi Abdulrhman, Reynard Charles, Body Richard | 
         
      | 723310 | BMJ OPEN | Impact of social restrictions during the COVID-19 pandemic on the physical activity levels of adults aged 50–92 years: a baseline survey of the CHARIOT COVID-19 Rapid Response prospective cohort study | 2021-08-01 | 10.1136/bmjopen-2021-050680 | Salman David, Beaney Thomas, E Robb Catherine, de Jager Loots Celeste A, Giannakopoulou Parthenia, Udeh-Momoh Chinedu T, Ahmadi-Abhari Sara, Majeed Azeem, Middleton Lefkos T, McGregor Alison H | 
         
      | 723309 | BMJ OPEN | Analysis of high-intensity care in intensive care units and its cost at the end of life among older people in South Korea between 2016 and 2019: a cross-sectional study of the health insurance review and assessment service national patient sample database | 2021-08-01 | 10.1136/bmjopen-2021-049711 | Lee Yunji, Jo Minjeong, Kim Taehwa, Yun Kyoungsun |