Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Laboratoire J G Langelier ← View details 45, rue Saint-Patrice E, Magog, Quebec J1X 1T5 +1 819-843-4150