Aparna C, Srilakshmi A, Geetha Sree A, N. C. Bhargavi, Khadeeja T, and Baleswari G, “A HISTOMORPHOLOGICAL STUDY OF PLACENTAS OF COVID 19 AFFECTED PATIENTS AT A STATE COVID HOSPITAL”, Natl J Med Res, vol. 11, no. 03, pp. 77–80, Sep. 2021.