Iliushko N A, Il'in E A, Kondrat'eva Iu I, Korol'kov V I, Kokoreva L V
Kosm Biol Aviakosm Med. 1977 Nov-Dec;11(6):23-6.
As a result of a combined effect of prolonged weightlessness and ionizing radiation at a dose of 800 rad aboard the biosatellite Cosmos-690, the recovery time of certain parameters of fluid-electrolyte metabolism (hydration of the body, balance of sodium, potassium, calcium) was longer than that for the animals which flew abroad the biosatellite Cosmos-605.