Short textbook of Hygiene and ecology :
Pivovarov Y.P.
Short textbook of Hygiene and ecology : For foreign students / Pivovarov Y.P., Al-Sabounchi A.A.; Russian state medical university, Department of hygiene and ecology . - W.p. : W.p., 1999. - 145 p. : ill.
Hygiene
Ecology--Textbook
Short textbook of Hygiene and ecology : For foreign students / Pivovarov Y.P., Al-Sabounchi A.A.; Russian state medical university, Department of hygiene and ecology . - W.p. : W.p., 1999. - 145 p. : ill.
Hygiene
Ecology--Textbook