51.   Other factors may also contribute to worsening employment prospects for physicians.

52.   Other factors also are contributing to the higher prices.

53.   Other factors also contributed to what some may see as a glaring omission.

54.   Other factors can contribute to NOx production, not all as simple as repairing one system.

55.   Other factors may contribute to misdiagnosis.

56.   Other factors contributed to the inky concentration of these wines.

57.   Other factors have also contributed to the steep increases in the cost of the Medicare and Medicaid programs.

58.   Other factors have contributed to the turnaround, as well.

59.   Our kids would rather watch TV or play computer games than go outside, a factor proven to contribute to childhood obesity.

60.   Republicans said two factors contributed to their new stance.