• Ng K K, Ng F C: The use of antimuscarinics, phosphodiesterase type V inhibitors and phytotherapy for lower urinary tract symptoms in men. Asian Journal of Urology 2017; 4: 191-194.
• Ng Kok Kit, Editor for “SMHS Guidelines on Better Prostate Health” published by published by Society for Men’s Health (Singapore), 2015
• Ng Kok Kit, Editor for “SMHS Guidelines on Erectile Dysfunction”, published by Society for Men’s Health (Singapore), 2013
• Ng Kok Kit, Editor for “Guidelines on Premature Ejaculation by Society for Men’s Health (Singapore)”, published by Society for Men’s Health (Singapore), 2013
• Ng Kok Kit, Editor for “SMHS Testosterone Deficiency Syndrome (TDS) Guidelines”, published by Society for Men’s Health (Singapore), 2013
• Ng Kok Kit, Chapters on “Testosterone Therapy, Prostate Safety and Other Safety Issues”, “Treating Hypogonadism Associated with Erectile Dysfunction”, “Premature Ejaculation – Initial Workup and Use of Assessment Tools”, in the book “Men’s Health” (Editor: Peter Lim Huat Chye), published by Springer 2013, ISBN: 978-1-4471-4765-7
• Koh L-T, Ng F C, Ng K K. Outcomes of long-term follow-up of patients with conservative management of asymptomatic renal calculi. BJU international January 2011; 109: 622-625, January 2011.
• Ng Kok Kit, Chapter on “Initial Management of the newly diagnosed PE patient”, in the book “Premature Ejaculation (PE) - How To Workup And Treat For General Practitioners” (Editor: Peter Lim Huat Chye)
• Ng Kok Kit, Author of chapters: “ Testosterone Therapy, Prostate Safety and Other Safety Issues”, “Treating Hypogonadism Associated with Erectile Dysfunction”, in the book “Testosterone Deficiency Syndrome – Practical Guidebook for General Practitioners” (Editor: Peter Lim Huat Chye)
• Ng Kok Kit, Chapter on Erectile Dysfunction in Lianhe Wanbao Health Booklet published by Focus Publishing Ltd (member of Singapore Press Holdings), 2009.
• Ng Kok Kit, Managing Male Ageing, published by Marshall Cavendish, ISBN-13: 978-981-4276-08-5
• Loh A H P, Ng K K, Ng F C. Presentation and Progression of Benign Prostatic Hyperplasia: A Singapore Experience Profiling Ethnic Differences in a Multiracial Study Cohort. Annals of the Academy of Medicine, Singapore May 2009; 38(5): 451 – 456.
• Ng KK; Donat R; Chan L; Lalak A; Di Pierro; Handelsman DJ. Sperm output of older men. Human Reproduction August 2004; 19(8):1811-1815.
• Ng K K et al. The Use of Sildenafil in Patients with Erectile Dysfunction in relation to Diabetes Mellitus – a Study of 1511 patients. Singapore Medical Journal 2002; 43(8): 387 – 390.
