[Backwardness of former East Prussian territories with regard to health services at the turn of the 19th and 20th centuries and between the 2 World Wars].
D005858:Germany; D006296:Health Services / Q000592:standards; D049672:History, 19th Century; D049673:History, 20th Century; D011634:Public Health / Q000266:history*
Upośledzenie ziem byłego pruskiego wschodu w zakresie słuzby zdrowia na przełomie XIX i XX wieku i w orkresie miedzywojennym.