000			00651nam a2200193Ia 4500
008			160601s9999 xx 000 0 und d
100			_aKelly, William J _922886
245			_aA Cost -effectiveness study of clinical methods of birth control
245			_bwith special reference to Puerto Rico
260			_aNew York
260			_bPraeger publishers
260			_c1971
300			_axii, 121p.; 23cm.
440			_aPraeger special studies in International economics and development _910326
650			_aBirth control clinics _922887
650			_aContraceptive services _922888
650			_aFamily planning _9181
650			_aSterilization _914486
999			_c7570 _d7570