| Investigating the removal of some pharmaceutical compounds in hospital wastewater treatment plants operating in Saudi Arabia H Al Qarni, P Collier, J O’Keeffe, J Akunna Environmental Science and Pollution Research 23, 13003-13014, 2016 | 175 | 2016 |
| Wastewater-based epidemiology: current uses and future opportunities as a public health surveillance tool J O’Keeffe Environmental Health Review 64 (3), 44-52, 2021 | 67 | 2021 |
| A network approach to overcoming barriers to market engagement for SMEs in energy efficiency initiatives such as the Green Deal JM O’Keeffe, D Gilmour, E Simpson Energy Policy 97, 582-590, 2016 | 50 | 2016 |
| COVID-19 in indoor environments—Air and surface disinfection measures T Chen, J O’Keeffe National Collaborating Centre for Environmental Health, 1-25, 2020 | 19 | 2020 |
| Failure is an option: an innovative engineering curriculum E Simpson, D Bradley, J O’Keeffe International Journal of Building Pathology and Adaptation 36 (3), 268-282, 2018 | 18 | 2018 |
| Cyanobacteria and drinking water: occurrence, risks, management and knowledge gaps for public health J O’Keeffe National Collaborating Centre for Environmental Health, 2019 | 16 | 2019 |
| Death care during the COVID-19 pandemic: understanding the public health risks J O’Keeffe Environmental Health Review 63 (2), 40-47, 2020 | 15 | 2020 |
| An introduction to SARS-CoV-2. Vancouver, BC: National Collaborating Centre for Environmental Health; 2020 Jul J O'Keeffe, S Freeman, AM Nicol | 12 | |
| Climate change and opportunistic pathogens (OPs) in the built environment J O’Keeffe Environmental Health Review 65 (3), 69-76, 2022 | 11 | 2022 |
| Reviewing factors affecting the effectiveness of decentralised domestic wastewater treatment systems for phosphorus and pathogen removal JC Akunna, JM O’Keeffe, R Allan Desalination and Water Treatment 91, 40-47, 2017 | 10 | 2017 |
| COVID-19 risks and precautions for choirs J O’Keeffe National Collaborating Centre for Environmental Health, 2020 | 9 | 2020 |
| Practical measures for reducing phosphorus and faecal microbial loads from onsite wastewater treatment system discharges to the environment: a review J O'Keeffe, J Akunna, J Olszewska, A Bruce, L May, R Allan Scotland’s Centre of Expertise for Waters (CREW), 2015 | 8 | 2015 |
| COVID-19 in indoor environments—Air and surface disinfection measures. Vancouver, BC: National Collaborating Centre for Environmental Health; 2020 T Chen, J O’Keeffe | 7 | |
| Alternative disposition services: Green burial, alkaline hydrolysis and human composting J O’Keeffe National Collaborating Centre for Environmental Health, 2023-04, 2023 | 6 | 2023 |
| Uptake of cadmium by the invasive perennial weeds Ranunculus repens and Geranium robertianum under laboratory conditions J O'Keeffe, LI Bendell-Young Journal of Environmental Monitoring 4 (3), 413-416, 2002 | 6 | 2002 |
| The basics of SARS-CoV-2 transmission [evidence review]. Vancouver, BC: National Collaborating Centre for Environmental Health; 2021 Mar 21 J O'Keeffe, S Freeman, AM Nicol | 6 | |
| Assessment of leachable and persistent dissolved organic carbon in sludges and biosolids from municipal wastewater treatment plants J O'Keeffe, J Akunna Journal of Environmental Management 307, 114565, 2022 | 5 | 2022 |
| Field inquiry: COVID-19 risks from handling the deceased J O’Keeffe Ccnse. CA, 1-12, 2021 | 5 | 2021 |
| Masking during the COVID-19 pandemic J O’Keeffe National Collaborating Centre for Environmental Health, 2020 | 5 | 2020 |
| Masking during the COVID-19 pandemic. Vancouver, BC: National Collaborating Centre for Environmental Health; 2020 Apr 17 J O'Keeffe | 5 | |
