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Abetract We study several variants of the problem of cutting line segments in space in order to eliminate all cycles in their depth order, Our results include: (a) an output-sensitive algorithm for the general case (its performance depends on the minimum number of cuts needed to eliminate all cycles); (b) an O(ngi6 logn) algorithm for the case of 'bipartite(More)
Idiopathic thrombocytopenic purpura (ITP) may develop during pregnancy or affect later pregnancies, causing serious risks of bleeding to the mother and fetus. High-dose intravenous immunoglobulin (IGIV) has caused an immediate and predictable rise in platelet count during the infusion in both adults and children with chronic or acute ITP. The rapid rise in(More)
Lesch-Nyhan syndrome (LNS) is a rare disorder of metabolism caused by a defective gene on the X chromosome. It is typically characterized by choreoathetosis, hypertonia, hyperreflexia, and self-mutilation. The present study is a 4-year follow-up investigation of the cognitive status of six subjects with a mean age of 17 years 10 months (range 14 years 9(More)
The present study represents the first effort to assess systematically the cognitive functioning of a population of individuals with Lesch-Nyhan syndrome using standardized psychometric instruments. Seven residents from a special hospital setting participated. They ranged in age from 10 years 1 month to 22 years 3 months (mean 13 years 7 months). Using the(More)
Four patients with advanced Kaposi's sarcoma who were treated with weekly vinblastine therapy achieved long-term remissions. Three patients are still in complete remission at two years, four years, and four years respectively, while the fourth achieved excellent partial remission lasting seven-and-one-half years. The regimen produced no toxicity. We suggest(More)
Thirty patients with advanced measurable colorectal cancer were randomized to receive either methotrexate (MTX) 200 mg/m2 or 40 mg/m2, followed in four hours by 5-fluorouracil (5-FU) 600 mg/m2. Patients receiving the higher dose MTX were given leucovorin rescue 24 hours later. Eight of 13 patients treated with 200 mg/m2 MTX + 5-FU developed severe(More)
Corynebacterium parvum (C. parvum) was instilled into the pleural space via the chest tube in 11 patients after curative resection for lung cancer. Doses were escalated from 20–70 mg in approximately every third patient in an attempt to determine the maximum tolerated dose. Fever and chest pain were the only toxicities encountered; severity and duration(More)
Twelve patients with recurrent and metastatic breast cancer were treated with a combination of adriamycin and amsacrine (m-AMSA) to evaluate its efficacy and toxicity. Adriamycin was given at 40 mg/m2 i.v. and m-AMSA at 50 mg/m2 i.v. every 3 weeks. No response was observed. One patient received an escalated m-AMSA dose at 70 mg/m2 and the same dose of(More)
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