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Myers KA, Farquhar DR (2001). "The rational clinical examination: does this patient have clubbing?". JAMA. 286 (3): 341–347. doi:10.1001/jama.286.3.341. PMID11466101.
Shah K, Ferrara TM, Jan A, Umair M, Irfanullah, Khan S, Ahmad W, Spritz RA (August 2017). "Homozygous SLCO2A1 translation initiation codon mutation in a Pakistani family with recessive isolated congenital nail clubbing". Br. J. Dermatol. 177 (2): 546–548. doi:10.1111/bjd.15094. PMID27681482. S2CID28251025.
Uppal S, Diggle CP, Carr IM, et al. (June 2008). "Mutations in 15-hydroxyprostaglandin dehydrogenase cause primary hypertrophic osteoarthropathy". Nat. Genet. 40 (6): 789–793. doi:10.1038/ng.153. PMID18500342. S2CID23484059.
Burcovschii S, Aboeed A (2019). Nail Clubbing. StatPearls Publishing. PMID30969535.
Vandemergel X, Renneboog B (July 2008). "Prevalence, aetiologies and significance of clubbing in a department of general internal medicine". Eur. J. Intern. Med. 19 (5): 325–329. doi:10.1016/j.ejim.2007.05.015. PMID18549933.
Myers KA, Farquhar DR (2001). "The rational clinical examination: does this patient have clubbing?". JAMA. 286 (3): 341–347. doi:10.1001/jama.286.3.341. PMID11466101.
Shah K, Ferrara TM, Jan A, Umair M, Irfanullah, Khan S, Ahmad W, Spritz RA (August 2017). "Homozygous SLCO2A1 translation initiation codon mutation in a Pakistani family with recessive isolated congenital nail clubbing". Br. J. Dermatol. 177 (2): 546–548. doi:10.1111/bjd.15094. PMID27681482. S2CID28251025.
Uppal S, Diggle CP, Carr IM, et al. (June 2008). "Mutations in 15-hydroxyprostaglandin dehydrogenase cause primary hypertrophic osteoarthropathy". Nat. Genet. 40 (6): 789–793. doi:10.1038/ng.153. PMID18500342. S2CID23484059.
Shah K, Ferrara TM, Jan A, Umair M, Irfanullah, Khan S, Ahmad W, Spritz RA (August 2017). "Homozygous SLCO2A1 translation initiation codon mutation in a Pakistani family with recessive isolated congenital nail clubbing". Br. J. Dermatol. 177 (2): 546–548. doi:10.1111/bjd.15094. PMID27681482. S2CID28251025.
Uppal S, Diggle CP, Carr IM, et al. (June 2008). "Mutations in 15-hydroxyprostaglandin dehydrogenase cause primary hypertrophic osteoarthropathy". Nat. Genet. 40 (6): 789–793. doi:10.1038/ng.153. PMID18500342. S2CID23484059.