Ciliated protozoa an illustrated guide to the species used as biological indicators in freshwater biology. by Bick, Hartmut

Table of contents only

The Health aspects of food and nutrition a manual for developing countries in the Western Pacific Region of the World Health Organization. by World Health Organization

Mental health of adolescents and young persons report on a technical conference, Stockholm, 9-13 June 1969 by May, Anthony R.

Blood transfusion a guide to the formation and operation of a transfusion service by Bowley, Charles C.

Waste stabilization ponds by Gloyna, Earnest F.

Mental health of adolescents and young persons report on a technical conference, Stockholm, 9-13 June 1969 by May, Anthony R.

Planning and programming for nursing services.

The health benefits of family planning by Omran, Abdel R.

Mental health of adolescents and young persons report on a technical conference, Stockholm, 9-13 June 1969 by May, Anthony R.

The assessment of biological age in man by Bourliere, Francois 1913-