000			00355nam a2200157Ia 4500
008			140817s9999 xx 000 0 und d
020			_a92 4 1544074
082			_a614.553
100			_aWHO
245			_aHealth Education in the Control Schistosomiasis
250			_a---
260			_bGeneva:WHO
260			_c1990
500			_aDon:WHO
942			_cREF
999			_c2615 _d2615