000 00318nam a2200121Ia 4500
008 220217s9999 xx 000 0 und d
245 0 _aSpecification for diaphragms for contraceptive use.
260 _c1966
500 _aStandard number: BS 4028
650 _aContraceptive use
650 _aDiaphragms
942 _cST
999 _c73083
_d73083