EB19.R19 Report of the Study Group on the Ecology of Intermediate Snail Hosts of Bilharziasis The Executive Board 1.

NOTES the report submitted by the Director-General on the meetings of the Study Group on the Psychobiological Development of the Child, and on the work performed by

EB23.R33 Expert Committee on Cardiovascular Diseases and Hypertension : First Report The Executive Board1. NOTES the first report of the Expert Committee on Cardiovascular

EB23.R32 Expert Committee on Auxiliary Dental Personnel : First Report The Executive Board1. NOTES the first report of the Expert Committee on Auxiliary

EB21.R7 Expert Committee on Poliomyelitis : Second Report The Executive Board1. NOTES the second report of the Expert Committee

EB17.R18 Expert Committee on Psychiatric Nursing : First Report The Executive Board1. NOTES the first report of the Expert Committee on Psychiatric Nursing ;

EB19.R18 Report of the Study Group on the Effect of Radiation on Human Heredity1. The

Executive Board the roport of the Study Group on the Ecology of Intermediate Snail Hosts of Bilharziasis which is shortly to be published,^". 1

EB25.R12 Report of the Study Group on Requirements for Biological Substances: (General Requirements for Sterility)1. The