August 16, 2014 Medicine | 0 comment 21. Calcium Metabolism During Rifampicin and Isoniazid Therapy. Tubercle 1983;64: 57-58. Perry W. (Letter). Click here to open PDF. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.