What is pre-term labor? Written and directed by Mary Brucker, , and Laura Mueller, . Color, sound, 8 minutes. Produced by Biomedical Communications, Rush-Presbyterian-St. Luke's Medical Center, 1987. Available in VHS and U-Matic formats from Health Science Consortium, 201 Silver Cedar Court, Chapel Hill, NC 27514. (919) 942-8731. Purchase price: $195.00; $97.50 to HSC members. Rental price: $80.00. Fourteen-page study guide included