Arsenal's injury problems continue to threaten to hamper their Barclays Premier League title bid with manager Arsene Wenger currently without nine first-team players.
Wenger is resigned to being without striker Robin van Persie (ankle) and Johan Djourou (knee) for the rest of the season, but a number of minor problems are causing disruption to the Frenchman's plans.
The latest involve midfielders Samir Nasri (hamstring) and Aaron Ramsey (thigh), who were both injured in training prior to yesterday's 2-0 victory at Bolton and are expected to be sidelined for around three weeks.
"Nasri's injury is what I call a '21-day injury'. It is a clean hamstring [injury]," said Wenger.
"Ramsey's [absence] will be the same but it is not a hamstring injury, it is a thigh."
With left-back Kieran Gibbs still out with a broken foot and midfielder Jack Wilshere carrying a minor hamstring problem, Wenger is hopeful two of his injured players may be able to return for the forthcoming run of crucial league matches.
The Gunners take on Bolton again on Wednesday at the Emirates Stadium, before they face Aston Villa, Manchester United, Chelsea and Liverpool in successive games.
"We have a little chance to get Denilson (abdomen) and Theo Walcott (rib) back for Wednesday and to get Nicklas Bendtner (recovering from hernia surgery) back in 10 days maybe," said the Arsenal manager.