Lafaille, Robert; Hiemstra, Hennie; Themstra, H. (1990). "The regimen of Salerno, a contemporary analysis of a medieval healthy life style program". Health Promotion International. 5 (1): 57–74. doi:10.1093/heapro/5.1.57. JSTOR45152005.
Lafaille, Robert; Hiemstra, Hennie; Themstra, H. (1990). "The regimen of Salerno, a contemporary analysis of a medieval healthy life style program". Health Promotion International. 5 (1): 57–74. doi:10.1093/heapro/5.1.57. JSTOR45152005.