Flame retardants in placenta and breast milk and cryptorchidism in newborn boys - Main, K M; Kiviranta, H; Virtanen, H E; Sundqvist, E; Tuomisto, J T; Tuomisto, J; Vartiainen, T; Skakkebaek, N E; Toppari, J (Environ Health Perspect, 2007)