MACNALTY AS (1955). "The illness of Edward the Black Prince.". Br Med J. 1 (4910): 411. doi:10.1136/bmj.1.4910.411. PMC 2061131Freely accessible. PMID 13230513.
MACNALTY AS (1955). "The illness of Edward the Black Prince.". Br Med J. 1 (4910): 411. doi:10.1136/bmj.1.4910.411. PMC 2061131Freely accessible. PMID 13230513.
MACNALTY AS (1955). "The illness of Edward the Black Prince.". Br Med J. 1 (4910): 411. doi:10.1136/bmj.1.4910.411. PMC 2061131Freely accessible. PMID 13230513.