Adams JF.
Public Health Pap Rep. 1881;7:168-73.
PMID: 19600076

Yorke W.
Br Med J. 1942 Jul 18;2(4254):61-3. doi: 10.1136/bmj.2.4254.61.
PMID: 20784334

[No authors listed]
Hospital (Lond 1886). 1902 May 24;32(817):132-133.
PMID: 29838249

Wingfield A.
Br Med J. 1943 Apr 17;1(4293):476-7. doi: 10.1136/bmj.1.4293.476.
PMID: 20784787

[No authors listed]
Hospital (Lond 1886). 1919 Sep 20;66(1737):602.
PMID: 29832040