Pollak, Charles
The encyclopedia of sleep and sleep disorders / Charles Pollak, Michael J. Thorpy, Jan Yager. -- 3rd ed. -- New York, N.Y. : Facts on File, c2010. -- lv, 309 s. -- (Facts on File library of health and living). -- ISBN : 978-0-8160-6833-3 (váz.).
Thorpy, Michael J.. Yager, Jan, 1948-
poruchy spánku. encyklopedie
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