Ma X. Valuation Analysis of Stock Prices in Pharmaceutical Industry Based on HP-ARIMA Method--Taking a sample of 8721 from 12 companies as an example. BCPBM [Internet]. 2022 Nov. 20 [cited 2026 Jul. 30];33:262-9. Available from: https://bcpublication.org/index.php/BM/article/view/2757