Chhikara, A., Kumar, R.R., Gupta, A., Mohan, H., Trehan, V., Antony, T., Kishore, K.N. and Kumar, S.S. 2021. Correlation of ABO Rh and Cholelithiasis: A Prospective Observational Study in a Zonal Hospital, North India. Asian Pacific Journal of Health Sciences. 8, 2 (Apr. 2021), 26–29. DOI:https://doi.org/10.21276/apjhs.2021.8.2.06.