TY - JOUR T1 - Periodic health examination, 1992 update: 4. Prophylaxis for gonococcal and chlamydial ophthalmia neonatorum. Canadian Task Force on the Periodic Health Examination JF - Canadian Medical Association Journal JO - CMAJ SP - 1449 LP - 1454 VL - 147 IS - 10 A2 - , Y1 - 1992/11/15 UR - http://www.cmaj.ca/content/147/10/1449.abstract ER -