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. 2013 Dec 19;2013(12):CD009546. doi: 10.1002/14651858.CD009546.pub2
Study Reason for exclusion
Bai 2001 Allocation: randomised.
Participants: people with clozapine‐induced hypersalivation.
Hui 2002 Allocation: randomised.
Participants: people with schizophrenia, mood disorders or other mental disorders and patients with clozapine‐induced and non－clozapine‐induced hypersalivation.
Interventions.

  1. Radix Codonopsis Pilosulae (Dang Shen), Rhizoma Atractylodis Macrocephalae (Bai Zhu), Sclerotium Poriae Cocos (Fu Ling), Pericarpium Citri Reticulatae (Chen Pi), lime processed Rhizoma Pinelliae Ternatae (Ban Xia) and Radix Glycyrrhizae (Gan Cao).

  2. Artane or phenergan.
ISRCTN47146067 2010 Allocation: randomised.
Participants: people with clozapine‐induced hypersalivation.
Reinstein 1999 Allocation: randomised.
Participants: people with clozapine‐induced hypersalivation.