TY - RPRT TI - Effects of certain chemicals on mucus-producing cells of Petromyzon marinus AU - Philip J. Sawyer PY - 1959 DO - 10.1577/1548-8659(1959)88[305:eoccom]2.0.co;2 UR - https://pubs.usgs.gov/publication/1000334 ID - 1000334 ER -