Muhammad Fahad Ullah

Predicting the difficult laparoscopic cholecystectomy: development and validation of a pre-operative risk score using an objective operative difficulty grading system

Ahmad H. M. Nassar, James Hodson, Hwei Jene Ng et al. · Surgical Endoscopy · 2019 · 133 citations

Medicine, Perioperative Medicine, Surgery +16

Preoperative risk factors for conversion from laparoscopic to open cholecystectomy: a validated risk score derived from a prospective U.K. database of 8820 patients

Robert P. Sutcliffe, Marianne Hollyman, James Hodson et al. · HPB · 2016 · 104 citations · Full text

Medicine, Perioperative Medicine, Surgery +15

Effective use of micro-silica extracted from rice husk ash for the production of high-performance and sustainable cement mortar

Kaffayatullah Khan, Muhammad Fahad Ullah, Khan Shahzada et al. · Construction and Building Materials · 2020 · 64 citations

Architecture, Building Science, Building Materials +12

Health risk assessment of heavy metals and metalloids via dietary intake of a potential vegetable (<i>Coriandrum sativum</i>L.) grown in contaminated water irrigated agricultural sites of Sargodha, Pakistan

Kafeel Ahmad, Asma Ashfaq, Zafar Iqbal Khan et al. · Human and Ecological Risk Assessment An International Journal · 2016 · 48 citations

Natural Sciences, Environmental Sciences, Nutritional Sciences +15

Risk assessment of heavy metal and metalloid toxicity through a contaminated vegetable (<i>Cucurbita maxima</i>) from wastewater irrigated area: A case study for a site-specific risk assessment in Jhang, Pakistan

Zafar Iqbal Khan, Kafeel Ahmad, Muhammad Ashraf et al. · Human and Ecological Risk Assessment An International Journal · 2015 · 31 citations

Natural Sciences, Environmental Sciences, Soil Sciences +17