(NzDOROWXE WA[EGO REBENKAs - (NlUKXQNOWA(B,(Ne(B. (Nm(B.s (NeLENA mIHAJLOWNAs; (NmEDQNIK(B,(Nr(B. (Nw(B.s; (NpAP(B,(Na(B. (Ng(B.s (NaLEKSANDR gERMANOWI^s ((Nk(B.s (NzDOROW(B'(NQs, 1975)
Keywords: (NvEN]INAs -- (NzDOROWXE I GIGIENAs; (NdETIs -- (NzDOROWXE I GIGIENAs; (NdETSKIE BOLEZNIs -- (NzDOROWXE I GIGIENAs