Source:
Pro Infirmis [Pro Infirm] 1952 Nov 01; Vol. 11 (5), pp. 142-7.Publisher: Schweizerische Vereinigung, Pro Infirmis Country of Publication: Switzerland NLM ID: 19740390R Publication Model: Print Cited Medium: Print
Source:
Svenska lakartidningen [Sven Lakartidn] 1952 Aug 01; Vol. 49 (31), pp. 1980-93.Publisher: Sveriges läkarförbund Country of Publication: Sweden NLM ID: 0030130 Publication Model: Print Cited Medium: Print NLM ISO
Source:
Maandschrift voor kindergeneeskunde [Maandschr Kindergeneeskd] 1950; Vol. 18 (10), pp. 357-72.Publisher: H E Stenfert Kroese N V Country of Publication: Netherlands NLM ID: 7704293 Publication Model: Print Cited Medium: Print ISSN: