@Rigel
Of course, this is not a Nobel Prize. As I mentioned before, it is an Ig Nobel Prize. As indicated in the original link, it is this year's Physiology Prize.
The same reference article is shown in the link given in the BBC Science Focus article you pointed out.
‘Mammalian enteral ventilation improves respiratory failure’, Ryo Okabe, Toyofumi F. Chen-Yoshikawa, Yosuke F. Yosuke, Chen-Yoshikawa, Yoneyama Yosuke, Yuhei Yokoyama, Satona Tanaka, Akihiko Yoshizawa, Wendy L. Thompson, Gokul Kannan, Eiji Kobayashi, Hiroshi Date, and Takanori Takebe, Med, vol . 2, June 11, 2021, pp. .
As for the Ig Nobel Prize, please refer the following:
https://en.wikipedia.org/wiki/Ig_Nobel_Prize#:~:text=The%20Ig%20Nobel%20Prize%20(%2Fˌ,and%20then%20make%20them%20think.%22