A method for manufacturing ferrite powder comprises a step of causing a precursor, obtained by a liquid-phase reaction method, to pass through a sieve with openings of 2 mm or less, and a step of causing free fall, through the interior of a furnace tube heated to the range 750 to 1250\xb0 C. In one embodiment a patient is administered a population of CD90 positive, CD105 positive, allogeneic regenerative cells subsequent to a brain injury. After the packed object is placed from a side of the package structure, the abutting planes may surely abut against the packed object to fix the position thereof, such that the packed object won’t be damaged by shaking. Such a method includes generating a plurality of possible or \u201ccandidate\u201d allocations of a given inventory among the multiple retail sites. The captured cells or viruses are disrupted to release the analyte therefrom, and the analyte is eluted from the chamber. The pickup bracket reciprocally moves with according to the paper characteristics set by a printing command, so that the pickup roller moves to one position among at least two positions which are pre-set in accordance with the paper characteristics and picks-up the paper sheet.