Cross-Sectional Survey of Prophylactic and Metaphylactic Antimicrobial Use in Layer Poultry Farming in Cameroon: A Quantitative Pilot Study oleh Mohamed Moctar Mouliom Mouiche, Frank Dupleix Khalen Wouembe, Serge Eugene Mpouam, Frédéric Moffo, Michael Djuntu, Claude Michel Wombou Toukam, Jean Marc Feussom Kameni, Jean Marc Feussom Kameni, Ndode Herman Okah-Nnane, Julius Awah-Ndukum