41.   And that makes Brodeur the great unknown factor in the Eastern Conference finals.

42.   Fleming said an unknown factor would be the effect of playing day-night matches at the venue after previous tournaments had all been day encounters.

43.   Further, there is the unknown factor of how many new unaffiliated voters will be drawn to the primary election as the contest heats up.

44.   Most cases appear to come from a genetic vulnerability plus some largely unknown environmental factors.

45.   Now Stojko is the unknown factor.

46.   Now, Stojko is the unknown factor.

47.   She has won nine races and two World Cup downhill titles, but came into this season as something of an unknown factor as she recuperates from knee surgery.

48.   The Suharto son-in-law, Lt. Gen. Prabowo, accepted the demotion, but remains an unknown factor politically.

49.   They could be the unknown factor that comes through for the New York Giants in the Super Bowl.

50.   They should spread out their purchases in tranches over time as the market bottom is still an unknown factor.