«Tadalafil dosed once a day in men with erectile dysfunction: a randomized, double-blind, placebo-controlled study in the US». International Journal of Impotence Research19 (1): 95–103. January 2007. doi:10.1038/sj.ijir.3901496. PMID16871272.
«Risk of nonarteritic ischaemic optic neuropathy with phosphodiesterase type 5 inhibitors: a systematic review and meta-analysis». Acta Ophthalmologica98 (1): 22–31. February 2020. doi:10.1111/aos.14253. PMID31559705.
«Droperidol is predominantly metabolized by human CYP3A enzymes.». Clinical Pharmacology & Therapeutics73 (2): P16. February 2003. doi:10.1016/s0009-9236(03)90413-9. ISSN0009-9236.
«Potency, selectivity, and consequences of nonselectivity of PDE inhibition». International Journal of Impotence Research16 (Suppl 1): S11–S14. June 2004. doi:10.1038/sj.ijir.3901208. PMID15224129.
«The discovery of tadalafil: a novel and highly selective PDE5 inhibitor. 2: 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione analogues». Journal of Medicinal Chemistry46 (21): 4533–4542. October 2003. doi:10.1021/jm030056e. PMID14521415.
«Tadalafil dosed once a day in men with erectile dysfunction: a randomized, double-blind, placebo-controlled study in the US». International Journal of Impotence Research19 (1): 95–103. January 2007. doi:10.1038/sj.ijir.3901496. PMID16871272.
«Risk of nonarteritic ischaemic optic neuropathy with phosphodiesterase type 5 inhibitors: a systematic review and meta-analysis». Acta Ophthalmologica98 (1): 22–31. February 2020. doi:10.1111/aos.14253. PMID31559705.
«Potency, selectivity, and consequences of nonselectivity of PDE inhibition». International Journal of Impotence Research16 (Suppl 1): S11–S14. June 2004. doi:10.1038/sj.ijir.3901208. PMID15224129.
«The discovery of tadalafil: a novel and highly selective PDE5 inhibitor. 2: 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione analogues». Journal of Medicinal Chemistry46 (21): 4533–4542. October 2003. doi:10.1021/jm030056e. PMID14521415.
«Droperidol is predominantly metabolized by human CYP3A enzymes.». Clinical Pharmacology & Therapeutics73 (2): P16. February 2003. doi:10.1016/s0009-9236(03)90413-9. ISSN0009-9236.