title: Matching in case control studies - A comment on the Revised National Tuberculosis Control Program regimens with and without directly observed treatment, short-course: A comparative study of the therapeutic cure rate and adverse reactions.
authors.affiliation: Department of Community Medicine, Indira Gandhi Medical College, Shimla, Himachal Pradesh, India.
authors.forename: Kanica
authors.initials: K
authors.lastname: Kaushal
authors.affiliation: Dr. Rajendra Prasad Government Medical College, Tanda, Himachal Pradesh, India.
authors.forename: Sunil K
authors.initials: SK
authors.lastname: Raina