20 13 How many modifications have been made to the medical human experiment?

Supplementary answer. The second revision. 1988 was approved, and it was revised three times on 201,20 13 and 20 17. Article 10 Animals introduced into experiments must be isolated and quarantined, new products must be developed in the stomach without verification, and food must be isolated under the current epidemic situation. Use the treatment certificate of the quarantine department in the isolated epidemic area. Use the previous experiment, and choose the corresponding experiment according to different experimental purposes at noon.