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Wenger not worried about Walcott

Arsene Wenger refuses to be frustrated by Theo Walcott's lack of form as the Arsenal striker continues his return from injury.

Walcott has been a frequent visitor to the treatment room this season after incurring back, knee, hamstring and rib problems that have limited him to just five first-team starts.

The 20-year-old played in the 3-1 FA Cup defeat by Stoke last month and was a second-half substitute as Arsenal succumbed to Manchester United by the same score last Sunday.

"I am not worried about Walcott," Wenger said. "He needs some time to play and come back to full fitness. He has only played a few games this season.

"If he stays injury-free now, he will have a good end of season. But at the moment he is not completely himself."

Walcott will be included in the squad for Sunday's Premier League clash with Chelsea, but his fellow striker Eduardo has been ruled out.

The Croatia marksman has failed to recover from the hamstring injury he sustained in the goalless draw with Aston Villa last week.

Midfielder Abou Diaby could return from the calf problem that has kept him sidelined since mid January as the Gunners attempt to nudge their title challenge back on track.

"Diaby is not yet back in normal training," Wenger said. "He progresses very well but we will have to wait until Saturday. He is a maybe. Diaby is the only question mark we have. All the others are longer term injuries."

Wenger has confirmed that Robin van Persie is not expected to recover from his foot injury until April.

"For Robin, the rehabilitation is going well but anything before April would be a little bit premature," he said.