roy's model nursing management seven crises pak history gov policy selection in nursing staffing recruitment beanzeer era musharraf era 2007 2000 1999 tenure of naeaz shareef teure of behavior bhutto historical propective political phases 1999 political phases 1998 history pak study roy adaptation model mental health anticholinergic cholinergics drugs signs and symptoms medical mangement hypoparathyroodism hyperparathyroidism parathyroid glands disorders
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