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- [4] NEW TECHNOLOGY SOLVES THE EXPULSION PROBLEM OF IMMEDIATE POSTPLACENTAL IUD INSERTION BRITISH JOURNAL OF FAMILY PLANNING, 1995, 20 (04): : 137 - 138
- [8] FLOCCULATION SOLVES OVERLOADING PROBLEM EFFLUENT & WATER TREATMENT JOURNAL, 1973, 13 (02): : 77 - 80