A similar tradition has been narrated on the authority of Hisham b. Hassan through a different chain of transmitters.
Sahih Muslim Book 32, Hadith 173
← Previous Hadith I took part with the Messenger of Allah (ﷺ) in seven battles. I would stay behind in the camp of men, cook their food, treat the wounded and nurse the sick.

Sahih Muslim Book 32, Hadith 172 Next Hadith → How many military expeditions did the Messenger of Allah (ﷺ) undertake? He said: Nineteen expeditions. I asked him: On how many expeditions did you accompany him? He said: On seventeen expeditions. I asked: Which was the first expedition he led? He answered: Dhat-ul-, Usair or 'Ushair.

Sahih Muslim Book 32, Hadith 174