title: Telephone survey as a method of data collection in South India.
authors.affiliation: Department of Preventive and Social Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
authors.forename: Mahalakshmy
authors.initials: M
authors.lastname: Thulasingam
authors.forename: Premarajan K
authors.initials: PK
authors.lastname: Cheriyath