supply of insulin human mixture of 30% human neutral insulin 70% human isophane insulin, 3 ml cartridge (one pen and 5 needles required for every 20 cartridges for use with these cartridges), inj. human insulin 30:70 (30% as soluble insulin & 70% as isophane insulin) 100 iu/ml, 3 ml catridge (01 pen + 20 needles free per 20 cartridges) [ item code m150104]insulin human mixture of 30% human neutral insulin 70% human isophane insulin, 3 ml cartridge (one pen and 5 needles required for every 20 cartridges for use with these cartridges), inj. human insulin 30:70 (30% as soluble insulin & 70% as isophane insulin) 100 iu/ml, 3 ml catridge (01 pen + 20 needles free per 20 cartridges) [ item code m150104],insulin human mixture of 30% human neutral insulin 70% human isophane insulin, 3 ml cartridge (one pen and 5 needles required for every 20 cartridges for use with these cartridges) ] , insulin human mixture of 30% human neutral insulin 70% human isophane insulin, 3 ml cartridge (one pen and 5 needles required for every 20 cartridges for use with these cartridges) ] , inj. human insulin 30:70 (30% as soluble insulin & 70% as isophane insulin) 100 iu/ml, 3 ml catridge (0 1 pen + 20 needles free per 20 cartridges) [ item code m150104] ] => limited