Stamps in cardiology. Cardiopulmonary resuscitation.
Davies
M K
MK
Hollman
A
A
D016887:Cardiopulmonary Resuscitation / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008849:Micronesia; D010678:Philately; D012011:Red Cross / Q000266:history; D012998:Somalia; D006113:United Kingdom