Javed, Ayesha, et al. “Comparison of Methylene Blue Versus Patent Blue Dyes in Sentinel Lymph Node Biopsy: A Prospective Study at A Tertiary Care Hospital”. Pakistan Armed Forces Medical Journal, vol. 75, no. 6, Dec. 2025, pp. 1255-60, https://doi.org/10.51253/pafmj.v75i6.13915.