title: Conversation with Ignacy Wald.
authors: I
authors: I
authors: Wald
mesh_terms: D000437:Alcoholism / Q000517:prevention & control*; D003431:Cross-Cultural Comparison; D006291:Health Policy / Q000331:legislation & jurisprudence*; D006801:Humans; D007391:International Cooperation; D011044:Poland; D019966:Substance-Related Disorders / Q000517:prevention & control*