1. Upadhyaya S (1986) Nadi Vijnana. Vedic Life Sci Pvt Ltd, Mumbai
2. Svoboda R (1992) Ayurveda: life, health and longevity. Penguin Books, India
3. Suoboda RE (2002) Prakriti: your ayurvedic constitution. Lotus Press, New Delhi
4. Sharma AK, Kumar R, Mishra A, Gupta R (2010) Problems associated with clinical trials of Ayurvedic medicines. Rev Bras Farmacogn 20:276–281
5. SSB M (2011) Yoga Ratnakara. vol. I. Varanasi Chowkhamba Sanskrit Ser Off