title: Systemic cell theory, protoplasmic theory, and their logic of explanation.
authors.forename: Gerhard
authors.initials: G
authors.lastname: Müller-Strahl
mesh_terms: D000818:Animals; D002468:Cell Physiological Phenomena / Q000502:physiology; D003593:Cytoplasm / Q000502:physiology*; D006801:Humans; D008128:Logic; D008954:Models, Biological; D049490:Systems Biology / Q000379:methods*