Pingale, P. L.; Ravindra, R. P. Comparative Study of Herbal Extract of Piper Nigrum, Piper Album and Piper Longum on Various Characteristics of Pyrazinamide and Ethambutol Microspheres. J. Drug Delivery Ther. 2019, 9 (4-A), 72-78. https://doi.org/10.22270/jddt.v9i4-A.3319.