DM NO. 1861, S. 2025. MANDALUYONG FEDERATION OF PUBLIC SCHOOLS TEACHER ASSOCIATION, INC. (MFPSTA) ANNUAL MEDICAL LABORATORIES Posted on November 28, 2025 by Leave a comment DM NO. 1861, S. 2025. MANDALUYONG FEDERATION OF PUBLIC SCHOOLS TEACHER ASSOCIATION, INC. (MFPSTA) ANNUAL MEDICAL LABORATORIES Memorandum Numbered