Effectiveness of educational intervention in improving physical activity and nutritional performance among pregnant women: a pre-post quasi-experimental study using health belief m... Bằng Ali Khani Jeihooni, Fatemeh Razmjouie, Hanieh Jormand, Fariba Sedghi Jahromi, Pooyan Afzali Harsini, Amirhossein Kamyab, Farzaneh Ghaleh Golab

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