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| | Randomized comparative study of the copper T 300, Dalkon shield, and Shell Loop in parous women -- Cooper et al. 45 ... |
 | | Randomized comparative study of the copper T 300, Dalkon shield, and Shell Loop in parous women -- Cooper et al. |
 | | Mishell DR Jr A randomized comparative study of the Copper T 300, the standard Dalkon Shield and the Silicone Shell Loop D was conducted on 776 parous women. |
 | | Net cumulative first event rates at 1 year and at 18 months, calculated by life-table analysis, were as follows: Copper T 300--pregnancy 1.2/1.9, expulsion 6.4/7.0, removal for pain or bleeding 7.4/10.8; Dalkon Shield--pregnancy 2.7/4.5, expulsion 5.8/5.8, removal for pain or bleeding 7.7/14.7; Shell Loop--pregnancy 3.8/4.9, expulsion 0.5/0.5, removal for pain or bleeding 9.1/13.1. |
| www.greenjournal.org /cgi/content/abstract/45/5/569 (254 words) |
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