Keywords: Avicenna.jpg nl Avicenna From medieval manuscript entitled ˜Subtilties of Truth ™ 1271 2013-08-12 22 22 37 http //www berfrois com/2013/02/how-western-europe-developed-scientific-method-christopher-beckwith/ Beckwith PD-Art PD-old-100 Uploaded with UploadWizard 1271 works Portraits of Avicenna Bimaristan health care system |