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Thanks to all who replied with good advice, most of which was already familiar to us, as we are used to touring and know to pack protein bars, tinned fish, hard-boiled eggs, fruit, etc. (Actually in Europe it is usually easy to get vacuum-packed smoked fish which keeps well unrefrigerated until opened for a day or two.)
The most practical help was the following:
Irena Romanovska 7 921 912 70 92 [log in to unmask] She is Pres. of the St. Petersburg Celiac Society, which sponsors the website: http://www.celiac.spb.ru/ on which there is a restaurant card in both English and Russian. An essential.
Happy travels one and all.
Nancy Garniez
http://nancygarniez.blogspot.com
www.tonalrefraction.com
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