| Antibacterial activity of East African medicinal plants W Fabry, PO Okemo, R Ansorg Journal of ethnopharmacology 60 (1), 79-84, 1998 | 578 | 1998 |
| Fungistatic and fungicidal activity of East African medicinal plants: Fungistatische und fungizide Wirksamkeit ostafrikanischer Heilpflanzen W Fabry, P Okemo, R Ansorg Mycoses 39 (1‐2), 67-70, 1996 | 138 | 1996 |
| The kill kinetics of Azadirachta indica A. Juss.(Meliaceae) extracts on Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Candida albicans PO Okemo, WE Mwatha, SC Chhabra, W Fabry African Journal of Science and Technology 2 (2), 113-118, 2001 | 116 | 2001 |
| In vitro activities of Maesa lanceolata extracts against fungal plant pathogens PO Okemo, HP Bais, JM Vivanco Fitoterapia 74 (3), 312-316, 2003 | 113 | 2003 |
| Methanol extract of three medicinal plants from Samburu in Northern Kenya show significant antimycobacterial, antibacterial and antifungal properties. RM Mariita, C Ogol, NO Oguge, PO Okemo Research Journal of Medicinal Plant 5 (1), 54-64, 2011 | 80 | 2011 |
| Activity of East African Medicinal Plants against Helicobacter pylori W Fabry, P Okemo, R Ansorg Chemotherapy 42 (5), 315-317, 1996 | 76 | 1996 |
| Antitubercular and phytochemical investigation of methanol extracts of medicinal plants used by the Samburu community in Kenya R Mariita, C Ogol, N Oguge, P Okemo Tropical Journal of Pharmaceutical Research 9 (4), 2010 | 68 | 2010 |
| Assessment of heavy metal concentrations in urban grown vegetables in Thika Town, Kenya KJ Inoti, K Fanuel, O George, O Paul African Journal of Food Science 6 (3), 41-46, 2012 | 64 | 2012 |
| Methanolic extracts of Aloe secundiflora Engl. inhibits in vitro growth of tuberculosis and diarrhea-causing bacteria RM Mariita, JA Orodho, PO Okemo, C Kirimuhuzya, JN Otieno, ... Pharmacognosy Research 3 (2), 95, 2011 | 55 | 2011 |
| Ethnobotanical survey and antimicrobial evaluation of medicinal plants used by the Samburu community (Kenya) for treatment of diarrhorea EO Omwenga, PO Okemo, PK Mbugua, CKP Ogol Pharmacognosy magazine 5 (18), 2009 | 51 | 2009 |
| Ethnobotanical survey of selected medicinal plants used by the Ogiek communities in Kenya against microbial infections O Amuka, PK Mbugua, PO Okemo Ethnobotany Research and Applications 12, 627-641, 2014 | 44 | 2014 |
| Antibiotic resistance and virulence factors in Escherichia coli from broiler chicken slaughtered at Tigoni processing plant in Limuru, Kenya OA Adelaide, C Bii, P Okemo East Afr Med J 85 (12), 597-606, 2008 | 41 | 2008 |
| Antibacterial activity of Tabernaemontana stapfiana Britten (apocynaceae) extracts E Ruttoh, P Tarus, C Bii, A Machocho, L Karimi, P Okemo African Journal of Traditional, Complementary and Alternative Medicines 6 (2), 2009 | 39 | 2009 |
| The efficacy of the crude root bark extracts of Erythrina abyssinica on Rifampicin Resistant Mycobacterium tuberculosis L Bunalema, C Kirimuhuzya, JRS Tabuti, P Waako, JJ Magadula, ... African health sciences 11 (4), 587-593, 2011 | 35 | 2011 |
| Microbiological quality and safety of Rastrineobola argentea retailed in Kisumu town markets, Kenya AW Sifuna, NM Njagi, P Okemo, A Munyalo, GO Orinda, S Kariuki East African Medical Journal 85 (10), 509-513, 2008 | 34 | 2008 |
| Hygienic practices and occurrence of coliforms and Staphylococcus on food at a public hospital in Kenya G Margaret, O Paul, K Judith Journal of applied biosciences 27 (27), 1727-231, 2010 | 32 | 2010 |
| In vitro propagation of Spilanthes mauritiana DC., an endangered medicinal herb, through axillary bud cultures HP Bais, JB Green, TS Walker, PO Okemo, JM Vivanco In Vitro Cellular & Developmental Biology-Plant 38, 598-601, 2002 | 30 | 2002 |
| Isolation of high antibiotic resistant fecal bacteria indicators, Salmonella and Vibrio species from raw abattoirs sewage in peri-urban locations of Nairobi, Kenya NR Atieno, OP Owuor, O Omwoyo Greener J Biol Sci 3 (5), 172-178, 2013 | 28 | 2013 |
| Efficacy of 13 medicinal plants used by indigenous communities around Lake Victoria, Kenya, against tuberculosis, diarrhoea causing bacteria and Candida albicans. RM Mariita, PO Okemo, JA Orodho, C Kirimuhuzya, JN Otieno, MJ Joseph International Journal of Pharmacy and Technology 2 (3), 771-791, 2010 | 28 | 2010 |
| Susceptibility of Helicobacter pylori and Candida spp. to the east African plant Terminalia spinosa. W Fabry, P Okemo, WE Mwatha, SC Chhabra, R Ansorg Arzneimittel-forschung 46 (5), 539-540, 1996 | 26 | 1996 |
