Fernando Castro-Chavez. Anticovidian V.2: COVID-19: Hypothesis of the Lab Origin versus a Zoonotic Event Which Can Also be of a Lab Origin. GJSFR [Internet]. 2020 May 15 [cited 2024 May 3];20(I3):9-53. Available from: https://journalofscience.org/index.php/GJSFR/article/view/2749