Kannan, KPThankappan, KRRaman Kutty, VAravindan, KP.2015-07-292015-07-291991Health Millions. 17;5;30-3.http://www.ncbi.nlm.nih.gov/pubmed/12317117https://dspace.sctimst.ac.in/handle/123456789/2612Public HealthKerala: a unique model of development