1. Investigating households' out-of-pocket healthcare expenditures based on number of chronic conditions in Riyadh, Saudi Arabia: a cross-sectional study using quantile regression approach. Issue 9 (28th September 2022) Authors: Almalki, Ziyad S; Alahmari, Abdullah K; Alshehri, Ahmed M; Altowaijri, Abdulaziz; Alluhidan, Mohammed; Ahmed, Nehad; AlAbdulsalam, Abdulhakim S; Alsaiari, Khalid H; Alrashidi, Meshari A; Alghusn, Abdulrahman G; Alqahtani, Ali S; Alzarea, Abdulaziz I; Alanazi, Mona A; Alqahtani, Abdulhadi M Journal: BMJ open Issue: Volume 12:Issue 9(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗