WASHINGTON — Republicans are seizing on this week’s recommendations for fewer Pap smears and mammograms to fuel concern about government-rationed medical care — and to try to chip away support by women for President Barack Obama’s proposed health care overhaul.

"This is how rationing starts," declared Jon Kyl of Arizona, the party’s second-in-command in the Senate, during a news conference. "This is what we’re going to expect in the future."